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Finding the Fourth Proportional to 13,944.17, 20,893.95 and 12,527.91

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Solution

The fourth proportional to 13,944.17, 20,893.95 and 12,527.91 is: 18,771.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.17 : 20,893.95 = 12,527.91 : x
  2. Step 2: Convert to fraction form
    13,944.17/20,893.95 = 12,527.91/x
  3. Step 3: Cross multiply
    13,944.17x = 20,893.95 × 12,527.91
  4. Step 4: Simplify right side
    13,944.17x = 261,757,462.50
  5. Step 5: Solve for x
    x = 261,757,462.50/13,944.17
  6. Step 6: Final answer
    x = 18,771.83

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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.