Home / 33,122.62-45,709.80-18,015.61

Finding the Fourth Proportional to 33,122.62, 45,709.80 and 18,015.61

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Solution

The fourth proportional to 33,122.62, 45,709.80 and 18,015.61 is: 24,861.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,122.62 : 45,709.80 = 18,015.61 : x
  2. Step 2: Convert to fraction form
    33,122.62/45,709.80 = 18,015.61/x
  3. Step 3: Cross multiply
    33,122.62x = 45,709.80 × 18,015.61
  4. Step 4: Simplify right side
    33,122.62x = 823,489,815.70
  5. Step 5: Solve for x
    x = 823,489,815.70/33,122.62
  6. Step 6: Final answer
    x = 24,861.86

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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.