Home / 13,799.12-20,691.96-4,562

Finding the Fourth Proportional to 13,799.12, 20,691.96 and 4,562

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Solution

The fourth proportional to 13,799.12, 20,691.96 and 4,562 is: 6,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.12 : 20,691.96 = 4,562 : x
  2. Step 2: Convert to fraction form
    13,799.12/20,691.96 = 4,562/x
  3. Step 3: Cross multiply
    13,799.12x = 20,691.96 × 4,562
  4. Step 4: Simplify right side
    13,799.12x = 94,396,721.52
  5. Step 5: Solve for x
    x = 94,396,721.52/13,799.12
  6. Step 6: Final answer
    x = 6,840.78

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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.