Home / 16,228.80-24,285.60-11,275.20

Finding the Fourth Proportional to 16,228.80, 24,285.60 and 11,275.20

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Solution

The fourth proportional to 16,228.80, 24,285.60 and 11,275.20 is: 16,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,228.80 : 24,285.60 = 11,275.20 : x
  2. Step 2: Convert to fraction form
    16,228.80/24,285.60 = 11,275.20/x
  3. Step 3: Cross multiply
    16,228.80x = 24,285.60 × 11,275.20
  4. Step 4: Simplify right side
    16,228.80x = 273,824,997.12
  5. Step 5: Solve for x
    x = 273,824,997.12/16,228.80
  6. Step 6: Final answer
    x = 16,872.78

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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.