Home / 17,122.90-25,684.35-11,841.30

Finding the Fourth Proportional to 17,122.90, 25,684.35 and 11,841.30

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Solution

The fourth proportional to 17,122.90, 25,684.35 and 11,841.30 is: 17,761.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.90 : 25,684.35 = 11,841.30 : x
  2. Step 2: Convert to fraction form
    17,122.90/25,684.35 = 11,841.30/x
  3. Step 3: Cross multiply
    17,122.90x = 25,684.35 × 11,841.30
  4. Step 4: Simplify right side
    17,122.90x = 304,135,965.23
  5. Step 5: Solve for x
    x = 304,135,965.23/17,122.90
  6. Step 6: Final answer
    x = 17,761.94

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Similar ratio
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1.5x scale

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.