Home / 12,197.92-18,296.48-3,432.64

Finding the Fourth Proportional to 12,197.92, 18,296.48 and 3,432.64

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Solution

The fourth proportional to 12,197.92, 18,296.48 and 3,432.64 is: 5,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.92 : 18,296.48 = 3,432.64 : x
  2. Step 2: Convert to fraction form
    12,197.92/18,296.48 = 3,432.64/x
  3. Step 3: Cross multiply
    12,197.92x = 18,296.48 × 3,432.64
  4. Step 4: Simplify right side
    12,197.92x = 62,805,229.11
  5. Step 5: Solve for x
    x = 62,805,229.11/12,197.92
  6. Step 6: Final answer
    x = 5,148.85

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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.