Home / 12,827.52-19,244.66-5,432.28

Finding the Fourth Proportional to 12,827.52, 19,244.66 and 5,432.28

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Solution

The fourth proportional to 12,827.52, 19,244.66 and 5,432.28 is: 8,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.52 : 19,244.66 = 5,432.28 : x
  2. Step 2: Convert to fraction form
    12,827.52/19,244.66 = 5,432.28/x
  3. Step 3: Cross multiply
    12,827.52x = 19,244.66 × 5,432.28
  4. Step 4: Simplify right side
    12,827.52x = 104,542,381.62
  5. Step 5: Solve for x
    x = 104,542,381.62/12,827.52
  6. Step 6: Final answer
    x = 8,149.85

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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.