Home / 18,398.55-27,576.23-8,516.96

Finding the Fourth Proportional to 18,398.55, 27,576.23 and 8,516.96

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Solution

The fourth proportional to 18,398.55, 27,576.23 and 8,516.96 is: 12,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398.55 : 27,576.23 = 8,516.96 : x
  2. Step 2: Convert to fraction form
    18,398.55/27,576.23 = 8,516.96/x
  3. Step 3: Cross multiply
    18,398.55x = 27,576.23 × 8,516.96
  4. Step 4: Simplify right side
    18,398.55x = 234,865,467.39
  5. Step 5: Solve for x
    x = 234,865,467.39/18,398.55
  6. Step 6: Final answer
    x = 12,765.43

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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.