Home / 17,021.70-25,532.55-11,772.90

Finding the Fourth Proportional to 17,021.70, 25,532.55 and 11,772.90

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Solution

The fourth proportional to 17,021.70, 25,532.55 and 11,772.90 is: 17,659.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021.70 : 25,532.55 = 11,772.90 : x
  2. Step 2: Convert to fraction form
    17,021.70/25,532.55 = 11,772.90/x
  3. Step 3: Cross multiply
    17,021.70x = 25,532.55 × 11,772.90
  4. Step 4: Simplify right side
    17,021.70x = 300,592,157.90
  5. Step 5: Solve for x
    x = 300,592,157.90/17,021.70
  6. Step 6: Final answer
    x = 17,659.35

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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.