Home / 22,629.88-33,956.12-10,158.78

Finding the Fourth Proportional to 22,629.88, 33,956.12 and 10,158.78

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Solution

The fourth proportional to 22,629.88, 33,956.12 and 10,158.78 is: 15,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,629.88 : 33,956.12 = 10,158.78 : x
  2. Step 2: Convert to fraction form
    22,629.88/33,956.12 = 10,158.78/x
  3. Step 3: Cross multiply
    22,629.88x = 33,956.12 × 10,158.78
  4. Step 4: Simplify right side
    22,629.88x = 344,952,778.13
  5. Step 5: Solve for x
    x = 344,952,778.13/22,629.88
  6. Step 6: Final answer
    x = 15,243.25

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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.