Home / 22,646.91-31,250.79-12,575.19

Finding the Fourth Proportional to 22,646.91, 31,250.79 and 12,575.19

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Solution

The fourth proportional to 22,646.91, 31,250.79 and 12,575.19 is: 17,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,646.91 : 31,250.79 = 12,575.19 : x
  2. Step 2: Convert to fraction form
    22,646.91/31,250.79 = 12,575.19/x
  3. Step 3: Cross multiply
    22,646.91x = 31,250.79 × 12,575.19
  4. Step 4: Simplify right side
    22,646.91x = 392,984,621.90
  5. Step 5: Solve for x
    x = 392,984,621.90/22,646.91
  6. Step 6: Final answer
    x = 17,352.68

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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.