Home / 21,765.44-32,642.88-10,067.48

Finding the Fourth Proportional to 21,765.44, 32,642.88 and 10,067.48

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Solution

The fourth proportional to 21,765.44, 32,642.88 and 10,067.48 is: 15,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,765.44 : 32,642.88 = 10,067.48 : x
  2. Step 2: Convert to fraction form
    21,765.44/32,642.88 = 10,067.48/x
  3. Step 3: Cross multiply
    21,765.44x = 32,642.88 × 10,067.48
  4. Step 4: Simplify right side
    21,765.44x = 328,631,541.54
  5. Step 5: Solve for x
    x = 328,631,541.54/21,765.44
  6. Step 6: Final answer
    x = 15,098.78

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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.