Home / 25,439.74-38,161.30-8,801.38

Finding the Fourth Proportional to 25,439.74, 38,161.30 and 8,801.38

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Solution

The fourth proportional to 25,439.74, 38,161.30 and 8,801.38 is: 13,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,439.74 : 38,161.30 = 8,801.38 : x
  2. Step 2: Convert to fraction form
    25,439.74/38,161.30 = 8,801.38/x
  3. Step 3: Cross multiply
    25,439.74x = 38,161.30 × 8,801.38
  4. Step 4: Simplify right side
    25,439.74x = 335,872,102.59
  5. Step 5: Solve for x
    x = 335,872,102.59/25,439.74
  6. Step 6: Final answer
    x = 13,202.65

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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.