Divide 56 into 4 parts in AP, such that the ratio of their extremes to the product of means is 5:6

Divide 56 into 4 parts in AP, such that the ratio of their extremes to

1.	Divide 56 into 4 parts in AP, such that the ratio of their extremes to the product of means is 5:6
Answer» 20 16 12 8 or 8 12 16 20 . I don\'t know to upload photos here . Tell me how to upload.