Home / 13,654.52-20,481.61-7,454.04

Finding the Fourth Proportional to 13,654.52, 20,481.61 and 7,454.04

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Solution

The fourth proportional to 13,654.52, 20,481.61 and 7,454.04 is: 11,180.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.52 : 20,481.61 = 7,454.04 : x
  2. Step 2: Convert to fraction form
    13,654.52/20,481.61 = 7,454.04/x
  3. Step 3: Cross multiply
    13,654.52x = 20,481.61 × 7,454.04
  4. Step 4: Simplify right side
    13,654.52x = 152,670,718.99
  5. Step 5: Solve for x
    x = 152,670,718.99/13,654.52
  6. Step 6: Final answer
    x = 11,180.96

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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.