Home / 22,566.80-31,136.90-13,495.14

Finding the Fourth Proportional to 22,566.80, 31,136.90 and 13,495.14

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Solution

The fourth proportional to 22,566.80, 31,136.90 and 13,495.14 is: 18,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,566.80 : 31,136.90 = 13,495.14 : x
  2. Step 2: Convert to fraction form
    22,566.80/31,136.90 = 13,495.14/x
  3. Step 3: Cross multiply
    22,566.80x = 31,136.90 × 13,495.14
  4. Step 4: Simplify right side
    22,566.80x = 420,196,757.93
  5. Step 5: Solve for x
    x = 420,196,757.93/22,566.80
  6. Step 6: Final answer
    x = 18,620.13

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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.