Home / 17,642.81-26,429.62-10,231.70

Finding the Fourth Proportional to 17,642.81, 26,429.62 and 10,231.70

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Solution

The fourth proportional to 17,642.81, 26,429.62 and 10,231.70 is: 15,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,642.81 : 26,429.62 = 10,231.70 : x
  2. Step 2: Convert to fraction form
    17,642.81/26,429.62 = 10,231.70/x
  3. Step 3: Cross multiply
    17,642.81x = 26,429.62 × 10,231.70
  4. Step 4: Simplify right side
    17,642.81x = 270,419,891.80
  5. Step 5: Solve for x
    x = 270,419,891.80/17,642.81
  6. Step 6: Final answer
    x = 15,327.48

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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.