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Finding the Fourth Proportional to 16,003.80, 24,005.70 and 10,186.20

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Solution

The fourth proportional to 16,003.80, 24,005.70 and 10,186.20 is: 15,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,003.80 : 24,005.70 = 10,186.20 : x
  2. Step 2: Convert to fraction form
    16,003.80/24,005.70 = 10,186.20/x
  3. Step 3: Cross multiply
    16,003.80x = 24,005.70 × 10,186.20
  4. Step 4: Simplify right side
    16,003.80x = 244,526,861.34
  5. Step 5: Solve for x
    x = 244,526,861.34/16,003.80
  6. Step 6: Final answer
    x = 15,279.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.