Home / 19,432.41-29,148.61-5,581.41

Finding the Fourth Proportional to 19,432.41, 29,148.61 and 5,581.41

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Solution

The fourth proportional to 19,432.41, 29,148.61 and 5,581.41 is: 8,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.41 : 29,148.61 = 5,581.41 : x
  2. Step 2: Convert to fraction form
    19,432.41/29,148.61 = 5,581.41/x
  3. Step 3: Cross multiply
    19,432.41x = 29,148.61 × 5,581.41
  4. Step 4: Simplify right side
    19,432.41x = 162,690,230.54
  5. Step 5: Solve for x
    x = 162,690,230.54/19,432.41
  6. Step 6: Final answer
    x = 8,372.11

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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.