Home / 18,134.69-27,196.76-7,604.43

Finding the Fourth Proportional to 18,134.69, 27,196.76 and 7,604.43

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Solution

The fourth proportional to 18,134.69, 27,196.76 and 7,604.43 is: 11,404.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.69 : 27,196.76 = 7,604.43 : x
  2. Step 2: Convert to fraction form
    18,134.69/27,196.76 = 7,604.43/x
  3. Step 3: Cross multiply
    18,134.69x = 27,196.76 × 7,604.43
  4. Step 4: Simplify right side
    18,134.69x = 206,815,927.65
  5. Step 5: Solve for x
    x = 206,815,927.65/18,134.69
  6. Step 6: Final answer
    x = 11,404.44

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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.