Home / 22,512.75-31,067.61-13,081.92

Finding the Fourth Proportional to 22,512.75, 31,067.61 and 13,081.92

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Solution

The fourth proportional to 22,512.75, 31,067.61 and 13,081.92 is: 18,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,512.75 : 31,067.61 = 13,081.92 : x
  2. Step 2: Convert to fraction form
    22,512.75/31,067.61 = 13,081.92/x
  3. Step 3: Cross multiply
    22,512.75x = 31,067.61 × 13,081.92
  4. Step 4: Simplify right side
    22,512.75x = 406,423,988.61
  5. Step 5: Solve for x
    x = 406,423,988.61/22,512.75
  6. Step 6: Final answer
    x = 18,053.06

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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.