Home / 22,747.97-31,392.27-13,189.73

Finding the Fourth Proportional to 22,747.97, 31,392.27 and 13,189.73

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Solution

The fourth proportional to 22,747.97, 31,392.27 and 13,189.73 is: 18,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,747.97 : 31,392.27 = 13,189.73 : x
  2. Step 2: Convert to fraction form
    22,747.97/31,392.27 = 13,189.73/x
  3. Step 3: Cross multiply
    22,747.97x = 31,392.27 × 13,189.73
  4. Step 4: Simplify right side
    22,747.97x = 414,055,408.43
  5. Step 5: Solve for x
    x = 414,055,408.43/22,747.97
  6. Step 6: Final answer
    x = 18,201.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.