Home / 22,644.15-31,247.48-12,572.59

Finding the Fourth Proportional to 22,644.15, 31,247.48 and 12,572.59

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Solution

The fourth proportional to 22,644.15, 31,247.48 and 12,572.59 is: 17,349.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,644.15 : 31,247.48 = 12,572.59 : x
  2. Step 2: Convert to fraction form
    22,644.15/31,247.48 = 12,572.59/x
  3. Step 3: Cross multiply
    22,644.15x = 31,247.48 × 12,572.59
  4. Step 4: Simplify right side
    22,644.15x = 392,861,535.47
  5. Step 5: Solve for x
    x = 392,861,535.47/22,644.15
  6. Step 6: Final answer
    x = 17,349.36

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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.