Home / 13,251.20-19,876.16-8,046.16

Finding the Fourth Proportional to 13,251.20, 19,876.16 and 8,046.16

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Solution

The fourth proportional to 13,251.20, 19,876.16 and 8,046.16 is: 12,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.20 : 19,876.16 = 8,046.16 : x
  2. Step 2: Convert to fraction form
    13,251.20/19,876.16 = 8,046.16/x
  3. Step 3: Cross multiply
    13,251.20x = 19,876.16 × 8,046.16
  4. Step 4: Simplify right side
    13,251.20x = 159,926,763.55
  5. Step 5: Solve for x
    x = 159,926,763.55/13,251.20
  6. Step 6: Final answer
    x = 12,068.85

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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.