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Finding the Fourth Proportional to 16,214.28, 22,375.65 and 8,762.28

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Solution

The fourth proportional to 16,214.28, 22,375.65 and 8,762.28 is: 12,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,214.28 : 22,375.65 = 8,762.28 : x
  2. Step 2: Convert to fraction form
    16,214.28/22,375.65 = 8,762.28/x
  3. Step 3: Cross multiply
    16,214.28x = 22,375.65 × 8,762.28
  4. Step 4: Simplify right side
    16,214.28x = 196,061,710.48
  5. Step 5: Solve for x
    x = 196,061,710.48/16,214.28
  6. Step 6: Final answer
    x = 12,091.92

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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.