Home / 18,233.34-27,331.38-8,379.96

Finding the Fourth Proportional to 18,233.34, 27,331.38 and 8,379.96

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Solution

The fourth proportional to 18,233.34, 27,331.38 and 8,379.96 is: 12,561.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233.34 : 27,331.38 = 8,379.96 : x
  2. Step 2: Convert to fraction form
    18,233.34/27,331.38 = 8,379.96/x
  3. Step 3: Cross multiply
    18,233.34x = 27,331.38 × 8,379.96
  4. Step 4: Simplify right side
    18,233.34x = 229,035,871.14
  5. Step 5: Solve for x
    x = 229,035,871.14/18,233.34
  6. Step 6: Final answer
    x = 12,561.38

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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.