Question

The number should be added to 6, 15, 20 and 43 to make the numbers

proportional is
plzzzzzzzzzzz tell and no Jocks ...​

Answer 1

Answer:

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Answer 2

$\huge\bold{ \underline{ \underline{Solution:-}}}$

Let no. be ‘x’

∴ 6 + x/15 + x = 20 + x/43 + x

⇒ (6 + x)(43 + x) = (20 + x)(15 + x)

⇒ 258 + 49x + x2 = 300 + 35x + x2

⇒ 14x = 42

x = 3

∴ The required no is 3.