Home / 16,631.75-22,951.82-9,179.75

Finding the Fourth Proportional to 16,631.75, 22,951.82 and 9,179.75

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Solution

The fourth proportional to 16,631.75, 22,951.82 and 9,179.75 is: 12,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.75 : 22,951.82 = 9,179.75 : x
  2. Step 2: Convert to fraction form
    16,631.75/22,951.82 = 9,179.75/x
  3. Step 3: Cross multiply
    16,631.75x = 22,951.82 × 9,179.75
  4. Step 4: Simplify right side
    16,631.75x = 210,691,969.65
  5. Step 5: Solve for x
    x = 210,691,969.65/16,631.75
  6. Step 6: Final answer
    x = 12,668.06

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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.