Home / 17,270.66-25,906-11,425.90

Finding the Fourth Proportional to 17,270.66, 25,906 and 11,425.90

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Solution

The fourth proportional to 17,270.66, 25,906 and 11,425.90 is: 17,138.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,270.66 : 25,906 = 11,425.90 : x
  2. Step 2: Convert to fraction form
    17,270.66/25,906 = 11,425.90/x
  3. Step 3: Cross multiply
    17,270.66x = 25,906 × 11,425.90
  4. Step 4: Simplify right side
    17,270.66x = 295,999,365.40
  5. Step 5: Solve for x
    x = 295,999,365.40/17,270.66
  6. Step 6: Final answer
    x = 17,138.86

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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.