Home / 17,072.90-25,609.35-5,387.03

Finding the Fourth Proportional to 17,072.90, 25,609.35 and 5,387.03

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Solution

The fourth proportional to 17,072.90, 25,609.35 and 5,387.03 is: 8,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,072.90 : 25,609.35 = 5,387.03 : x
  2. Step 2: Convert to fraction form
    17,072.90/25,609.35 = 5,387.03/x
  3. Step 3: Cross multiply
    17,072.90x = 25,609.35 × 5,387.03
  4. Step 4: Simplify right side
    17,072.90x = 137,958,336.73
  5. Step 5: Solve for x
    x = 137,958,336.73/17,072.90
  6. Step 6: Final answer
    x = 8,080.55

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Double scale
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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.