Home / 16,174.28-22,320.42-9,100.56

Finding the Fourth Proportional to 16,174.28, 22,320.42 and 9,100.56

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Solution

The fourth proportional to 16,174.28, 22,320.42 and 9,100.56 is: 12,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,174.28 : 22,320.42 = 9,100.56 : x
  2. Step 2: Convert to fraction form
    16,174.28/22,320.42 = 9,100.56/x
  3. Step 3: Cross multiply
    16,174.28x = 22,320.42 × 9,100.56
  4. Step 4: Simplify right side
    16,174.28x = 203,128,321.44
  5. Step 5: Solve for x
    x = 203,128,321.44/16,174.28
  6. Step 6: Final answer
    x = 12,558.72

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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.