Home / 17,097.80-25,650.30-5,412.20

Finding the Fourth Proportional to 17,097.80, 25,650.30 and 5,412.20

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Solution

The fourth proportional to 17,097.80, 25,650.30 and 5,412.20 is: 8,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,097.80 : 25,650.30 = 5,412.20 : x
  2. Step 2: Convert to fraction form
    17,097.80/25,650.30 = 5,412.20/x
  3. Step 3: Cross multiply
    17,097.80x = 25,650.30 × 5,412.20
  4. Step 4: Simplify right side
    17,097.80x = 138,824,553.66
  5. Step 5: Solve for x
    x = 138,824,553.66/17,097.80
  6. Step 6: Final answer
    x = 8,119.44

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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.