Home / 13,251.18-19,876.68-4,366.38

Finding the Fourth Proportional to 13,251.18, 19,876.68 and 4,366.38

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Solution

The fourth proportional to 13,251.18, 19,876.68 and 4,366.38 is: 6,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.18 : 19,876.68 = 4,366.38 : x
  2. Step 2: Convert to fraction form
    13,251.18/19,876.68 = 4,366.38/x
  3. Step 3: Cross multiply
    13,251.18x = 19,876.68 × 4,366.38
  4. Step 4: Simplify right side
    13,251.18x = 86,789,138.02
  5. Step 5: Solve for x
    x = 86,789,138.02/13,251.18
  6. Step 6: Final answer
    x = 6,549.54

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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.