Home / 17,218.24-25,828.80-5,531.68

Finding the Fourth Proportional to 17,218.24, 25,828.80 and 5,531.68

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Solution

The fourth proportional to 17,218.24, 25,828.80 and 5,531.68 is: 8,297.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.24 : 25,828.80 = 5,531.68 : x
  2. Step 2: Convert to fraction form
    17,218.24/25,828.80 = 5,531.68/x
  3. Step 3: Cross multiply
    17,218.24x = 25,828.80 × 5,531.68
  4. Step 4: Simplify right side
    17,218.24x = 142,876,656.38
  5. Step 5: Solve for x
    x = 142,876,656.38/17,218.24
  6. Step 6: Final answer
    x = 8,297.98

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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.