Home / 17,679.82-26,519.31-5,199.52

Finding the Fourth Proportional to 17,679.82, 26,519.31 and 5,199.52

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Solution

The fourth proportional to 17,679.82, 26,519.31 and 5,199.52 is: 7,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.82 : 26,519.31 = 5,199.52 : x
  2. Step 2: Convert to fraction form
    17,679.82/26,519.31 = 5,199.52/x
  3. Step 3: Cross multiply
    17,679.82x = 26,519.31 × 5,199.52
  4. Step 4: Simplify right side
    17,679.82x = 137,887,682.73
  5. Step 5: Solve for x
    x = 137,887,682.73/17,679.82
  6. Step 6: Final answer
    x = 7,799.16

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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.