Home / 18,576.30-27,864.45-11,176.95

Finding the Fourth Proportional to 18,576.30, 27,864.45 and 11,176.95

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Solution

The fourth proportional to 18,576.30, 27,864.45 and 11,176.95 is: 16,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.30 : 27,864.45 = 11,176.95 : x
  2. Step 2: Convert to fraction form
    18,576.30/27,864.45 = 11,176.95/x
  3. Step 3: Cross multiply
    18,576.30x = 27,864.45 × 11,176.95
  4. Step 4: Simplify right side
    18,576.30x = 311,439,564.43
  5. Step 5: Solve for x
    x = 311,439,564.43/18,576.30
  6. Step 6: Final answer
    x = 16,765.43

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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.