1.

Find the fourth proportion to the numbers 6, 8, 15.1. 482. 203. 424. 24

Answer» Correct Answer - Option 2 : 20

Given

Numbers 6, 8, 15

Formula used

If a, b, c and d are in proportional

Then a/b = c/d

Calculation

Let fourth number be x

⇒ 6 / 8 = 15 / x

⇒ 6 × x = 8 × 15

⇒ x = 120 / 6

⇒ x = 20



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