Home / 22,974.56-31,712.88-13,542.50

Finding the Fourth Proportional to 22,974.56, 31,712.88 and 13,542.50

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Solution

The fourth proportional to 22,974.56, 31,712.88 and 13,542.50 is: 18,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,974.56 : 31,712.88 = 13,542.50 : x
  2. Step 2: Convert to fraction form
    22,974.56/31,712.88 = 13,542.50/x
  3. Step 3: Cross multiply
    22,974.56x = 31,712.88 × 13,542.50
  4. Step 4: Simplify right side
    22,974.56x = 429,471,677.40
  5. Step 5: Solve for x
    x = 429,471,677.40/22,974.56
  6. Step 6: Final answer
    x = 18,693.36

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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.