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Finding the Fourth Proportional to 18,023.56, 24,870.18 and 11,744.44

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Solution

The fourth proportional to 18,023.56, 24,870.18 and 11,744.44 is: 16,205.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.56 : 24,870.18 = 11,744.44 : x
  2. Step 2: Convert to fraction form
    18,023.56/24,870.18 = 11,744.44/x
  3. Step 3: Cross multiply
    18,023.56x = 24,870.18 × 11,744.44
  4. Step 4: Simplify right side
    18,023.56x = 292,086,336.80
  5. Step 5: Solve for x
    x = 292,086,336.80/18,023.56
  6. Step 6: Final answer
    x = 16,205.81

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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.