Home / 29,183.28-40,286.34-19,112.15

Finding the Fourth Proportional to 29,183.28, 40,286.34 and 19,112.15

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Solution

The fourth proportional to 29,183.28, 40,286.34 and 19,112.15 is: 26,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,183.28 : 40,286.34 = 19,112.15 : x
  2. Step 2: Convert to fraction form
    29,183.28/40,286.34 = 19,112.15/x
  3. Step 3: Cross multiply
    29,183.28x = 40,286.34 × 19,112.15
  4. Step 4: Simplify right side
    29,183.28x = 769,958,371.60
  5. Step 5: Solve for x
    x = 769,958,371.60/29,183.28
  6. Step 6: Final answer
    x = 26,383.54

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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.