Home / 22,255.97-30,713.72-12,184.83

Finding the Fourth Proportional to 22,255.97, 30,713.72 and 12,184.83

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Solution

The fourth proportional to 22,255.97, 30,713.72 and 12,184.83 is: 16,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255.97 : 30,713.72 = 12,184.83 : x
  2. Step 2: Convert to fraction form
    22,255.97/30,713.72 = 12,184.83/x
  3. Step 3: Cross multiply
    22,255.97x = 30,713.72 × 12,184.83
  4. Step 4: Simplify right side
    22,255.97x = 374,241,395.94
  5. Step 5: Solve for x
    x = 374,241,395.94/22,255.97
  6. Step 6: Final answer
    x = 16,815.33

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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.