Home / 22,512.76-31,067.49-12,441.90

Finding the Fourth Proportional to 22,512.76, 31,067.49 and 12,441.90

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Solution

The fourth proportional to 22,512.76, 31,067.49 and 12,441.90 is: 17,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,512.76 : 31,067.49 = 12,441.90 : x
  2. Step 2: Convert to fraction form
    22,512.76/31,067.49 = 12,441.90/x
  3. Step 3: Cross multiply
    22,512.76x = 31,067.49 × 12,441.90
  4. Step 4: Simplify right side
    22,512.76x = 386,538,603.83
  5. Step 5: Solve for x
    x = 386,538,603.83/22,512.76
  6. Step 6: Final answer
    x = 17,169.76

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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.