Home / 15,850.72-23,781.60-7,086.56

Finding the Fourth Proportional to 15,850.72, 23,781.60 and 7,086.56

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Solution

The fourth proportional to 15,850.72, 23,781.60 and 7,086.56 is: 10,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,850.72 : 23,781.60 = 7,086.56 : x
  2. Step 2: Convert to fraction form
    15,850.72/23,781.60 = 7,086.56/x
  3. Step 3: Cross multiply
    15,850.72x = 23,781.60 × 7,086.56
  4. Step 4: Simplify right side
    15,850.72x = 168,529,735.30
  5. Step 5: Solve for x
    x = 168,529,735.30/15,850.72
  6. Step 6: Final answer
    x = 10,632.31

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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.