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Finding the Fourth Proportional to 18,499.98, 27,810.12 and 14,842.24

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Solution

The fourth proportional to 18,499.98, 27,810.12 and 14,842.24 is: 22,311.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.98 : 27,810.12 = 14,842.24 : x
  2. Step 2: Convert to fraction form
    18,499.98/27,810.12 = 14,842.24/x
  3. Step 3: Cross multiply
    18,499.98x = 27,810.12 × 14,842.24
  4. Step 4: Simplify right side
    18,499.98x = 412,764,475.47
  5. Step 5: Solve for x
    x = 412,764,475.47/18,499.98
  6. Step 6: Final answer
    x = 22,311.62

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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.