Home / 33,243.62-45,876.21-18,902.66

Finding the Fourth Proportional to 33,243.62, 45,876.21 and 18,902.66

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Solution

The fourth proportional to 33,243.62, 45,876.21 and 18,902.66 is: 26,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,243.62 : 45,876.21 = 18,902.66 : x
  2. Step 2: Convert to fraction form
    33,243.62/45,876.21 = 18,902.66/x
  3. Step 3: Cross multiply
    33,243.62x = 45,876.21 × 18,902.66
  4. Step 4: Simplify right side
    33,243.62x = 867,182,399.72
  5. Step 5: Solve for x
    x = 867,182,399.72/33,243.62
  6. Step 6: Final answer
    x = 26,085.68

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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.