Home / 33,255.08-45,890.16-18,912.97

Finding the Fourth Proportional to 33,255.08, 45,890.16 and 18,912.97

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Solution

The fourth proportional to 33,255.08, 45,890.16 and 18,912.97 is: 26,098.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,255.08 : 45,890.16 = 18,912.97 : x
  2. Step 2: Convert to fraction form
    33,255.08/45,890.16 = 18,912.97/x
  3. Step 3: Cross multiply
    33,255.08x = 45,890.16 × 18,912.97
  4. Step 4: Simplify right side
    33,255.08x = 867,919,219.38
  5. Step 5: Solve for x
    x = 867,919,219.38/33,255.08
  6. Step 6: Final answer
    x = 26,098.85

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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.