Home / 22,912.20-34,379.28-19,811.52

Finding the Fourth Proportional to 22,912.20, 34,379.28 and 19,811.52

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Solution

The fourth proportional to 22,912.20, 34,379.28 and 19,811.52 is: 29,726.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,912.20 : 34,379.28 = 19,811.52 : x
  2. Step 2: Convert to fraction form
    22,912.20/34,379.28 = 19,811.52/x
  3. Step 3: Cross multiply
    22,912.20x = 34,379.28 × 19,811.52
  4. Step 4: Simplify right side
    22,912.20x = 681,105,793.31
  5. Step 5: Solve for x
    x = 681,105,793.31/22,912.20
  6. Step 6: Final answer
    x = 29,726.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.