Home / 22,204.46-30,641.76-12,132.66

Finding the Fourth Proportional to 22,204.46, 30,641.76 and 12,132.66

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Solution

The fourth proportional to 22,204.46, 30,641.76 and 12,132.66 is: 16,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,204.46 : 30,641.76 = 12,132.66 : x
  2. Step 2: Convert to fraction form
    22,204.46/30,641.76 = 12,132.66/x
  3. Step 3: Cross multiply
    22,204.46x = 30,641.76 × 12,132.66
  4. Step 4: Simplify right side
    22,204.46x = 371,766,055.88
  5. Step 5: Solve for x
    x = 371,766,055.88/22,204.46
  6. Step 6: Final answer
    x = 16,742.86

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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.