Home / 16,272.46-22,455.39-9,198.73

Finding the Fourth Proportional to 16,272.46, 22,455.39 and 9,198.73

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Solution

The fourth proportional to 16,272.46, 22,455.39 and 9,198.73 is: 12,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,272.46 : 22,455.39 = 9,198.73 : x
  2. Step 2: Convert to fraction form
    16,272.46/22,455.39 = 9,198.73/x
  3. Step 3: Cross multiply
    16,272.46x = 22,455.39 × 9,198.73
  4. Step 4: Simplify right side
    16,272.46x = 206,561,069.65
  5. Step 5: Solve for x
    x = 206,561,069.65/16,272.46
  6. Step 6: Final answer
    x = 12,693.91

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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.