Home / 25,380.41-38,069.19-8,740.04

Finding the Fourth Proportional to 25,380.41, 38,069.19 and 8,740.04

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Solution

The fourth proportional to 25,380.41, 38,069.19 and 8,740.04 is: 13,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,380.41 : 38,069.19 = 8,740.04 : x
  2. Step 2: Convert to fraction form
    25,380.41/38,069.19 = 8,740.04/x
  3. Step 3: Cross multiply
    25,380.41x = 38,069.19 × 8,740.04
  4. Step 4: Simplify right side
    25,380.41x = 332,726,053.02
  5. Step 5: Solve for x
    x = 332,726,053.02/25,380.41
  6. Step 6: Final answer
    x = 13,109.56

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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.