Home / 13,767.48-20,654.46-3,906.54

Finding the Fourth Proportional to 13,767.48, 20,654.46 and 3,906.54

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Solution

The fourth proportional to 13,767.48, 20,654.46 and 3,906.54 is: 5,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.48 : 20,654.46 = 3,906.54 : x
  2. Step 2: Convert to fraction form
    13,767.48/20,654.46 = 3,906.54/x
  3. Step 3: Cross multiply
    13,767.48x = 20,654.46 × 3,906.54
  4. Step 4: Simplify right side
    13,767.48x = 80,687,474.17
  5. Step 5: Solve for x
    x = 80,687,474.17/13,767.48
  6. Step 6: Final answer
    x = 5,860.73

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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.