Home / 33,122.06-45,708.41-18,974.96

Finding the Fourth Proportional to 33,122.06, 45,708.41 and 18,974.96

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Solution

The fourth proportional to 33,122.06, 45,708.41 and 18,974.96 is: 26,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,122.06 : 45,708.41 = 18,974.96 : x
  2. Step 2: Convert to fraction form
    33,122.06/45,708.41 = 18,974.96/x
  3. Step 3: Cross multiply
    33,122.06x = 45,708.41 × 18,974.96
  4. Step 4: Simplify right side
    33,122.06x = 867,315,251.41
  5. Step 5: Solve for x
    x = 867,315,251.41/33,122.06
  6. Step 6: Final answer
    x = 26,185.43

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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.