Home / 13,789.62-20,666.19-5,016.10

Finding the Fourth Proportional to 13,789.62, 20,666.19 and 5,016.10

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Solution

The fourth proportional to 13,789.62, 20,666.19 and 5,016.10 is: 7,517.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.62 : 20,666.19 = 5,016.10 : x
  2. Step 2: Convert to fraction form
    13,789.62/20,666.19 = 5,016.10/x
  3. Step 3: Cross multiply
    13,789.62x = 20,666.19 × 5,016.10
  4. Step 4: Simplify right side
    13,789.62x = 103,663,675.66
  5. Step 5: Solve for x
    x = 103,663,675.66/13,789.62
  6. Step 6: Final answer
    x = 7,517.52

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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.