Home / 22,481.76-33,712.26-13,124.52

Finding the Fourth Proportional to 22,481.76, 33,712.26 and 13,124.52

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Solution

The fourth proportional to 22,481.76, 33,712.26 and 13,124.52 is: 19,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,481.76 : 33,712.26 = 13,124.52 : x
  2. Step 2: Convert to fraction form
    22,481.76/33,712.26 = 13,124.52/x
  3. Step 3: Cross multiply
    22,481.76x = 33,712.26 × 13,124.52
  4. Step 4: Simplify right side
    22,481.76x = 442,457,230.62
  5. Step 5: Solve for x
    x = 442,457,230.62/22,481.76
  6. Step 6: Final answer
    x = 19,680.72

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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.