Home / 18,399.06-27,576.98-8,517.46

Finding the Fourth Proportional to 18,399.06, 27,576.98 and 8,517.46

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Solution

The fourth proportional to 18,399.06, 27,576.98 and 8,517.46 is: 12,766.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399.06 : 27,576.98 = 8,517.46 : x
  2. Step 2: Convert to fraction form
    18,399.06/27,576.98 = 8,517.46/x
  3. Step 3: Cross multiply
    18,399.06x = 27,576.98 × 8,517.46
  4. Step 4: Simplify right side
    18,399.06x = 234,885,824.07
  5. Step 5: Solve for x
    x = 234,885,824.07/18,399.06
  6. Step 6: Final answer
    x = 12,766.19

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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.