Home / 15,432.59-23,148.92-5,571.86

Finding the Fourth Proportional to 15,432.59, 23,148.92 and 5,571.86

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Solution

The fourth proportional to 15,432.59, 23,148.92 and 5,571.86 is: 8,357.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.59 : 23,148.92 = 5,571.86 : x
  2. Step 2: Convert to fraction form
    15,432.59/23,148.92 = 5,571.86/x
  3. Step 3: Cross multiply
    15,432.59x = 23,148.92 × 5,571.86
  4. Step 4: Simplify right side
    15,432.59x = 128,982,439.58
  5. Step 5: Solve for x
    x = 128,982,439.58/15,432.59
  6. Step 6: Final answer
    x = 8,357.79

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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.