Home / 17,515.38-24,171.23-11,227.75

Finding the Fourth Proportional to 17,515.38, 24,171.23 and 11,227.75

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Solution

The fourth proportional to 17,515.38, 24,171.23 and 11,227.75 is: 15,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.38 : 24,171.23 = 11,227.75 : x
  2. Step 2: Convert to fraction form
    17,515.38/24,171.23 = 11,227.75/x
  3. Step 3: Cross multiply
    17,515.38x = 24,171.23 × 11,227.75
  4. Step 4: Simplify right side
    17,515.38x = 271,388,527.63
  5. Step 5: Solve for x
    x = 271,388,527.63/17,515.38
  6. Step 6: Final answer
    x = 15,494.30

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Half scale
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Double scale
Find fourth proportional to 17,516.38, 24,172.61 and 11,228.75
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.