Home / 22,947.54-31,663.76-13,517.97

Finding the Fourth Proportional to 22,947.54, 31,663.76 and 13,517.97

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Solution

The fourth proportional to 22,947.54, 31,663.76 and 13,517.97 is: 18,652.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,947.54 : 31,663.76 = 13,517.97 : x
  2. Step 2: Convert to fraction form
    22,947.54/31,663.76 = 13,517.97/x
  3. Step 3: Cross multiply
    22,947.54x = 31,663.76 × 13,517.97
  4. Step 4: Simplify right side
    22,947.54x = 428,029,757.77
  5. Step 5: Solve for x
    x = 428,029,757.77/22,947.54
  6. Step 6: Final answer
    x = 18,652.53

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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.