Home / 17,133.20-25,699.88-5,447.60

Finding the Fourth Proportional to 17,133.20, 25,699.88 and 5,447.60

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Solution

The fourth proportional to 17,133.20, 25,699.88 and 5,447.60 is: 8,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,133.20 : 25,699.88 = 5,447.60 : x
  2. Step 2: Convert to fraction form
    17,133.20/25,699.88 = 5,447.60/x
  3. Step 3: Cross multiply
    17,133.20x = 25,699.88 × 5,447.60
  4. Step 4: Simplify right side
    17,133.20x = 140,002,666.29
  5. Step 5: Solve for x
    x = 140,002,666.29/17,133.20
  6. Step 6: Final answer
    x = 8,171.43

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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.