Home / 17,631.50-26,448.33-5,319.50

Finding the Fourth Proportional to 17,631.50, 26,448.33 and 5,319.50

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Solution

The fourth proportional to 17,631.50, 26,448.33 and 5,319.50 is: 7,979.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631.50 : 26,448.33 = 5,319.50 : x
  2. Step 2: Convert to fraction form
    17,631.50/26,448.33 = 5,319.50/x
  3. Step 3: Cross multiply
    17,631.50x = 26,448.33 × 5,319.50
  4. Step 4: Simplify right side
    17,631.50x = 140,691,891.44
  5. Step 5: Solve for x
    x = 140,691,891.44/17,631.50
  6. Step 6: Final answer
    x = 7,979.58

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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.