Home / 17,799.83-26,701.12-5,318.90

Finding the Fourth Proportional to 17,799.83, 26,701.12 and 5,318.90

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Solution

The fourth proportional to 17,799.83, 26,701.12 and 5,318.90 is: 7,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,799.83 : 26,701.12 = 5,318.90 : x
  2. Step 2: Convert to fraction form
    17,799.83/26,701.12 = 5,318.90/x
  3. Step 3: Cross multiply
    17,799.83x = 26,701.12 × 5,318.90
  4. Step 4: Simplify right side
    17,799.83x = 142,020,545.48
  5. Step 5: Solve for x
    x = 142,020,545.48/17,799.83
  6. Step 6: Final answer
    x = 7,978.76

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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.