Home / 17,851.74-26,778.15-5,371.80

Finding the Fourth Proportional to 17,851.74, 26,778.15 and 5,371.80

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Solution

The fourth proportional to 17,851.74, 26,778.15 and 5,371.80 is: 8,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,851.74 : 26,778.15 = 5,371.80 : x
  2. Step 2: Convert to fraction form
    17,851.74/26,778.15 = 5,371.80/x
  3. Step 3: Cross multiply
    17,851.74x = 26,778.15 × 5,371.80
  4. Step 4: Simplify right side
    17,851.74x = 143,846,866.17
  5. Step 5: Solve for x
    x = 143,846,866.17/17,851.74
  6. Step 6: Final answer
    x = 8,057.86

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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.