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Finding the Fourth Proportional to 16,402.56, 22,635.48 and 8,950.56

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Solution

The fourth proportional to 16,402.56, 22,635.48 and 8,950.56 is: 12,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,402.56 : 22,635.48 = 8,950.56 : x
  2. Step 2: Convert to fraction form
    16,402.56/22,635.48 = 8,950.56/x
  3. Step 3: Cross multiply
    16,402.56x = 22,635.48 × 8,950.56
  4. Step 4: Simplify right side
    16,402.56x = 202,600,221.87
  5. Step 5: Solve for x
    x = 202,600,221.87/16,402.56
  6. Step 6: Final answer
    x = 12,351.74

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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.