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Finding the Fourth Proportional to 16,101, 22,211.82 and 11,387.88

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Solution

The fourth proportional to 16,101, 22,211.82 and 11,387.88 is: 15,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,101 : 22,211.82 = 11,387.88 : x
  2. Step 2: Convert to fraction form
    16,101/22,211.82 = 11,387.88/x
  3. Step 3: Cross multiply
    16,101x = 22,211.82 × 11,387.88
  4. Step 4: Simplify right side
    16,101x = 252,945,540.74
  5. Step 5: Solve for x
    x = 252,945,540.74/16,101
  6. Step 6: Final answer
    x = 15,709.93

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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.