Home / 13,177.97-18,193.11-8,714.66

Finding the Fourth Proportional to 13,177.97, 18,193.11 and 8,714.66

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Solution

The fourth proportional to 13,177.97, 18,193.11 and 8,714.66 is: 12,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.97 : 18,193.11 = 8,714.66 : x
  2. Step 2: Convert to fraction form
    13,177.97/18,193.11 = 8,714.66/x
  3. Step 3: Cross multiply
    13,177.97x = 18,193.11 × 8,714.66
  4. Step 4: Simplify right side
    13,177.97x = 158,546,724.42
  5. Step 5: Solve for x
    x = 158,546,724.42/13,177.97
  6. Step 6: Final answer
    x = 12,031.20

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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.