Home / 22,644.81-31,248.32-12,572.73

Finding the Fourth Proportional to 22,644.81, 31,248.32 and 12,572.73

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Solution

The fourth proportional to 22,644.81, 31,248.32 and 12,572.73 is: 17,349.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,644.81 : 31,248.32 = 12,572.73 : x
  2. Step 2: Convert to fraction form
    22,644.81/31,248.32 = 12,572.73/x
  3. Step 3: Cross multiply
    22,644.81x = 31,248.32 × 12,572.73
  4. Step 4: Simplify right side
    22,644.81x = 392,876,627.45
  5. Step 5: Solve for x
    x = 392,876,627.45/22,644.81
  6. Step 6: Final answer
    x = 17,349.52

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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.