Home / 17,017.40-25,531.28-8,703.24

Finding the Fourth Proportional to 17,017.40, 25,531.28 and 8,703.24

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Solution

The fourth proportional to 17,017.40, 25,531.28 and 8,703.24 is: 13,057.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,017.40 : 25,531.28 = 8,703.24 : x
  2. Step 2: Convert to fraction form
    17,017.40/25,531.28 = 8,703.24/x
  3. Step 3: Cross multiply
    17,017.40x = 25,531.28 × 8,703.24
  4. Step 4: Simplify right side
    17,017.40x = 222,204,813.83
  5. Step 5: Solve for x
    x = 222,204,813.83/17,017.40
  6. Step 6: Final answer
    x = 13,057.51

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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.