Home / 19,505.16-29,231.20-8,251.14

Finding the Fourth Proportional to 19,505.16, 29,231.20 and 8,251.14

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Solution

The fourth proportional to 19,505.16, 29,231.20 and 8,251.14 is: 12,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,505.16 : 29,231.20 = 8,251.14 : x
  2. Step 2: Convert to fraction form
    19,505.16/29,231.20 = 8,251.14/x
  3. Step 3: Cross multiply
    19,505.16x = 29,231.20 × 8,251.14
  4. Step 4: Simplify right side
    19,505.16x = 241,190,723.57
  5. Step 5: Solve for x
    x = 241,190,723.57/19,505.16
  6. Step 6: Final answer
    x = 12,365.48

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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.