Home / 18,154.33-27,234.70-8,294.60

Finding the Fourth Proportional to 18,154.33, 27,234.70 and 8,294.60

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Solution

The fourth proportional to 18,154.33, 27,234.70 and 8,294.60 is: 12,443.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.33 : 27,234.70 = 8,294.60 : x
  2. Step 2: Convert to fraction form
    18,154.33/27,234.70 = 8,294.60/x
  3. Step 3: Cross multiply
    18,154.33x = 27,234.70 × 8,294.60
  4. Step 4: Simplify right side
    18,154.33x = 225,900,989.97
  5. Step 5: Solve for x
    x = 225,900,989.97/18,154.33
  6. Step 6: Final answer
    x = 12,443.37

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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.