Home / 19,755.62-29,645.12-7,284.41

Finding the Fourth Proportional to 19,755.62, 29,645.12 and 7,284.41

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Solution

The fourth proportional to 19,755.62, 29,645.12 and 7,284.41 is: 10,930.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.62 : 29,645.12 = 7,284.41 : x
  2. Step 2: Convert to fraction form
    19,755.62/29,645.12 = 7,284.41/x
  3. Step 3: Cross multiply
    19,755.62x = 29,645.12 × 7,284.41
  4. Step 4: Simplify right side
    19,755.62x = 215,947,023.93
  5. Step 5: Solve for x
    x = 215,947,023.93/19,755.62
  6. Step 6: Final answer
    x = 10,930.92

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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.