Home / 33,025.52-45,575.18-18,121.52

Finding the Fourth Proportional to 33,025.52, 45,575.18 and 18,121.52

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Solution

The fourth proportional to 33,025.52, 45,575.18 and 18,121.52 is: 25,007.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,025.52 : 45,575.18 = 18,121.52 : x
  2. Step 2: Convert to fraction form
    33,025.52/45,575.18 = 18,121.52/x
  3. Step 3: Cross multiply
    33,025.52x = 45,575.18 × 18,121.52
  4. Step 4: Simplify right side
    33,025.52x = 825,891,535.87
  5. Step 5: Solve for x
    x = 825,891,535.87/33,025.52
  6. Step 6: Final answer
    x = 25,007.68

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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.