Please answer in step by step... – InterviewSolution

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Please answer in step by step...

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Answer:

The FOURTH proportional to 5, 8, 15 is:

A. 18

B. 24

C. 19

D. 20

Answer: Option B

Solution

Letthefourthproportionalto5,8,15bexThen,5:8:15:x⇒5x=8×15x=8×155=24

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