Home / 17,712.75-26,567.49-5,400.75

Finding the Fourth Proportional to 17,712.75, 26,567.49 and 5,400.75

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Solution

The fourth proportional to 17,712.75, 26,567.49 and 5,400.75 is: 8,100.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,712.75 : 26,567.49 = 5,400.75 : x
  2. Step 2: Convert to fraction form
    17,712.75/26,567.49 = 5,400.75/x
  3. Step 3: Cross multiply
    17,712.75x = 26,567.49 × 5,400.75
  4. Step 4: Simplify right side
    17,712.75x = 143,484,371.62
  5. Step 5: Solve for x
    x = 143,484,371.62/17,712.75
  6. Step 6: Final answer
    x = 8,100.63

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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.