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Finding the Fourth Proportional to 14,874.05, 20,527.50 and 8,160.98

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Solution

The fourth proportional to 14,874.05, 20,527.50 and 8,160.98 is: 11,262.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,874.05 : 20,527.50 = 8,160.98 : x
  2. Step 2: Convert to fraction form
    14,874.05/20,527.50 = 8,160.98/x
  3. Step 3: Cross multiply
    14,874.05x = 20,527.50 × 8,160.98
  4. Step 4: Simplify right side
    14,874.05x = 167,524,414.31
  5. Step 5: Solve for x
    x = 167,524,414.31/14,874.05
  6. Step 6: Final answer
    x = 11,262.87

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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.