Home / 17,231.42-23,781.56-10,515.62

Finding the Fourth Proportional to 17,231.42, 23,781.56 and 10,515.62

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Solution

The fourth proportional to 17,231.42, 23,781.56 and 10,515.62 is: 14,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,231.42 : 23,781.56 = 10,515.62 : x
  2. Step 2: Convert to fraction form
    17,231.42/23,781.56 = 10,515.62/x
  3. Step 3: Cross multiply
    17,231.42x = 23,781.56 × 10,515.62
  4. Step 4: Simplify right side
    17,231.42x = 250,077,847.97
  5. Step 5: Solve for x
    x = 250,077,847.97/17,231.42
  6. Step 6: Final answer
    x = 14,512.90

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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.