Saved Bookmarks
| 1. |
The fourth proportional to 0.14, 0.21 and 13 is?1. 19.52. 22.63. 21.74. 18.8 |
|
Answer» Correct Answer - Option 1 : 19.5 Concept Used: The concept of proportion states that a ∶ b ∶∶ c ∶ x Where a, b and c are the first three numbers of the proportion, and the fourth proportion is x ⇒ a/b = c/x x = (b × c)/a Calculation: Let the fourth proportional be x 0.14 ∶ 0.21 ∶∶ 13 ∶ x 0.14/0.21 = 13/x x = 13 × 0.21/0.14 x = 19.5 ∴ The fourth proportional is 19.5 |
|