Home / 17,067.31-25,603.90-5,220.80

Finding the Fourth Proportional to 17,067.31, 25,603.90 and 5,220.80

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Solution

The fourth proportional to 17,067.31, 25,603.90 and 5,220.80 is: 7,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,067.31 : 25,603.90 = 5,220.80 : x
  2. Step 2: Convert to fraction form
    17,067.31/25,603.90 = 5,220.80/x
  3. Step 3: Cross multiply
    17,067.31x = 25,603.90 × 5,220.80
  4. Step 4: Simplify right side
    17,067.31x = 133,672,918.18
  5. Step 5: Solve for x
    x = 133,672,918.18/17,067.31
  6. Step 6: Final answer
    x = 7,832.10

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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.