Home / 22,331.28-33,493.80-7,538.28

Finding the Fourth Proportional to 22,331.28, 33,493.80 and 7,538.28

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Solution

The fourth proportional to 22,331.28, 33,493.80 and 7,538.28 is: 11,306.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,331.28 : 33,493.80 = 7,538.28 : x
  2. Step 2: Convert to fraction form
    22,331.28/33,493.80 = 7,538.28/x
  3. Step 3: Cross multiply
    22,331.28x = 33,493.80 × 7,538.28
  4. Step 4: Simplify right side
    22,331.28x = 252,485,642.66
  5. Step 5: Solve for x
    x = 252,485,642.66/22,331.28
  6. Step 6: Final answer
    x = 11,306.37

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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.