Home / 17,964.20-26,949.16-5,481.36

Finding the Fourth Proportional to 17,964.20, 26,949.16 and 5,481.36

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Solution

The fourth proportional to 17,964.20, 26,949.16 and 5,481.36 is: 8,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,964.20 : 26,949.16 = 5,481.36 : x
  2. Step 2: Convert to fraction form
    17,964.20/26,949.16 = 5,481.36/x
  3. Step 3: Cross multiply
    17,964.20x = 26,949.16 × 5,481.36
  4. Step 4: Simplify right side
    17,964.20x = 147,718,047.66
  5. Step 5: Solve for x
    x = 147,718,047.66/17,964.20
  6. Step 6: Final answer
    x = 8,222.91

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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.