Home / 29,154.56-40,233.24-15,906.56

Finding the Fourth Proportional to 29,154.56, 40,233.24 and 15,906.56

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Solution

The fourth proportional to 29,154.56, 40,233.24 and 15,906.56 is: 21,951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,154.56 : 40,233.24 = 15,906.56 : x
  2. Step 2: Convert to fraction form
    29,154.56/40,233.24 = 15,906.56/x
  3. Step 3: Cross multiply
    29,154.56x = 40,233.24 × 15,906.56
  4. Step 4: Simplify right side
    29,154.56x = 639,972,446.05
  5. Step 5: Solve for x
    x = 639,972,446.05/29,154.56
  6. Step 6: Final answer
    x = 21,951.02

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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.