Home / 22,729.28-34,090.67-7,144.88

Finding the Fourth Proportional to 22,729.28, 34,090.67 and 7,144.88

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Solution

The fourth proportional to 22,729.28, 34,090.67 and 7,144.88 is: 10,716.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,729.28 : 34,090.67 = 7,144.88 : x
  2. Step 2: Convert to fraction form
    22,729.28/34,090.67 = 7,144.88/x
  3. Step 3: Cross multiply
    22,729.28x = 34,090.67 × 7,144.88
  4. Step 4: Simplify right side
    22,729.28x = 243,573,593.68
  5. Step 5: Solve for x
    x = 243,573,593.68/22,729.28
  6. Step 6: Final answer
    x = 10,716.29

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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.