Home / 22,513.13-31,067.28-12,441.36

Finding the Fourth Proportional to 22,513.13, 31,067.28 and 12,441.36

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Solution

The fourth proportional to 22,513.13, 31,067.28 and 12,441.36 is: 17,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,513.13 : 31,067.28 = 12,441.36 : x
  2. Step 2: Convert to fraction form
    22,513.13/31,067.28 = 12,441.36/x
  3. Step 3: Cross multiply
    22,513.13x = 31,067.28 × 12,441.36
  4. Step 4: Simplify right side
    22,513.13x = 386,519,214.70
  5. Step 5: Solve for x
    x = 386,519,214.70/22,513.13
  6. Step 6: Final answer
    x = 17,168.61

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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.