Home / 18,633.30-25,714.53-10,136.04

Finding the Fourth Proportional to 18,633.30, 25,714.53 and 10,136.04

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Solution

The fourth proportional to 18,633.30, 25,714.53 and 10,136.04 is: 13,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.30 : 25,714.53 = 10,136.04 : x
  2. Step 2: Convert to fraction form
    18,633.30/25,714.53 = 10,136.04/x
  3. Step 3: Cross multiply
    18,633.30x = 25,714.53 × 10,136.04
  4. Step 4: Simplify right side
    18,633.30x = 260,643,504.66
  5. Step 5: Solve for x
    x = 260,643,504.66/18,633.30
  6. Step 6: Final answer
    x = 13,988.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.