Home / 17,072.30-25,591.42-8,171.21

Finding the Fourth Proportional to 17,072.30, 25,591.42 and 8,171.21

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Solution

The fourth proportional to 17,072.30, 25,591.42 and 8,171.21 is: 12,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,072.30 : 25,591.42 = 8,171.21 : x
  2. Step 2: Convert to fraction form
    17,072.30/25,591.42 = 8,171.21/x
  3. Step 3: Cross multiply
    17,072.30x = 25,591.42 × 8,171.21
  4. Step 4: Simplify right side
    17,072.30x = 209,112,867.02
  5. Step 5: Solve for x
    x = 209,112,867.02/17,072.30
  6. Step 6: Final answer
    x = 12,248.66

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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.