Home / 17,218.41-25,825.78-5,530.71

Finding the Fourth Proportional to 17,218.41, 25,825.78 and 5,530.71

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Solution

The fourth proportional to 17,218.41, 25,825.78 and 5,530.71 is: 8,295.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.41 : 25,825.78 = 5,530.71 : x
  2. Step 2: Convert to fraction form
    17,218.41/25,825.78 = 5,530.71/x
  3. Step 3: Cross multiply
    17,218.41x = 25,825.78 × 5,530.71
  4. Step 4: Simplify right side
    17,218.41x = 142,834,899.70
  5. Step 5: Solve for x
    x = 142,834,899.70/17,218.41
  6. Step 6: Final answer
    x = 8,295.48

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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.