Home / 17,379.03-23,983.18-9,421.38

Finding the Fourth Proportional to 17,379.03, 23,983.18 and 9,421.38

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Solution

The fourth proportional to 17,379.03, 23,983.18 and 9,421.38 is: 13,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,379.03 : 23,983.18 = 9,421.38 : x
  2. Step 2: Convert to fraction form
    17,379.03/23,983.18 = 9,421.38/x
  3. Step 3: Cross multiply
    17,379.03x = 23,983.18 × 9,421.38
  4. Step 4: Simplify right side
    17,379.03x = 225,954,508.92
  5. Step 5: Solve for x
    x = 225,954,508.92/17,379.03
  6. Step 6: Final answer
    x = 13,001.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.