Home / 17,930.74-24,744.08-9,971.96

Finding the Fourth Proportional to 17,930.74, 24,744.08 and 9,971.96

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Solution

The fourth proportional to 17,930.74, 24,744.08 and 9,971.96 is: 13,761.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.74 : 24,744.08 = 9,971.96 : x
  2. Step 2: Convert to fraction form
    17,930.74/24,744.08 = 9,971.96/x
  3. Step 3: Cross multiply
    17,930.74x = 24,744.08 × 9,971.96
  4. Step 4: Simplify right side
    17,930.74x = 246,746,976.00
  5. Step 5: Solve for x
    x = 246,746,976.00/17,930.74
  6. Step 6: Final answer
    x = 13,761.12

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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.