Home / 22,471.44-31,004.40-13,517.70

Finding the Fourth Proportional to 22,471.44, 31,004.40 and 13,517.70

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Solution

The fourth proportional to 22,471.44, 31,004.40 and 13,517.70 is: 18,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,471.44 : 31,004.40 = 13,517.70 : x
  2. Step 2: Convert to fraction form
    22,471.44/31,004.40 = 13,517.70/x
  3. Step 3: Cross multiply
    22,471.44x = 31,004.40 × 13,517.70
  4. Step 4: Simplify right side
    22,471.44x = 419,108,177.88
  5. Step 5: Solve for x
    x = 419,108,177.88/22,471.44
  6. Step 6: Final answer
    x = 18,650.70

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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.