Home / 15,188.73-20,960.42-8,473.96

Finding the Fourth Proportional to 15,188.73, 20,960.42 and 8,473.96

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Solution

The fourth proportional to 15,188.73, 20,960.42 and 8,473.96 is: 11,694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188.73 : 20,960.42 = 8,473.96 : x
  2. Step 2: Convert to fraction form
    15,188.73/20,960.42 = 8,473.96/x
  3. Step 3: Cross multiply
    15,188.73x = 20,960.42 × 8,473.96
  4. Step 4: Simplify right side
    15,188.73x = 177,617,613.49
  5. Step 5: Solve for x
    x = 177,617,613.49/15,188.73
  6. Step 6: Final answer
    x = 11,694.04

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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.