Home / 22,511.18-31,067.30-12,441.59

Finding the Fourth Proportional to 22,511.18, 31,067.30 and 12,441.59

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Solution

The fourth proportional to 22,511.18, 31,067.30 and 12,441.59 is: 17,170.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,511.18 : 31,067.30 = 12,441.59 : x
  2. Step 2: Convert to fraction form
    22,511.18/31,067.30 = 12,441.59/x
  3. Step 3: Cross multiply
    22,511.18x = 31,067.30 × 12,441.59
  4. Step 4: Simplify right side
    22,511.18x = 386,526,601.28
  5. Step 5: Solve for x
    x = 386,526,601.28/22,511.18
  6. Step 6: Final answer
    x = 17,170.43

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Double scale
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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.