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Finding the Fourth Proportional to 16,013.84, 22,100.19 and 8,940.11

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Solution

The fourth proportional to 16,013.84, 22,100.19 and 8,940.11 is: 12,337.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,013.84 : 22,100.19 = 8,940.11 : x
  2. Step 2: Convert to fraction form
    16,013.84/22,100.19 = 8,940.11/x
  3. Step 3: Cross multiply
    16,013.84x = 22,100.19 × 8,940.11
  4. Step 4: Simplify right side
    16,013.84x = 197,578,129.62
  5. Step 5: Solve for x
    x = 197,578,129.62/16,013.84
  6. Step 6: Final answer
    x = 12,337.96

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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.