Home / 22,445.60-33,637.92-11,912.96

Finding the Fourth Proportional to 22,445.60, 33,637.92 and 11,912.96

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Solution

The fourth proportional to 22,445.60, 33,637.92 and 11,912.96 is: 17,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.60 : 33,637.92 = 11,912.96 : x
  2. Step 2: Convert to fraction form
    22,445.60/33,637.92 = 11,912.96/x
  3. Step 3: Cross multiply
    22,445.60x = 33,637.92 × 11,912.96
  4. Step 4: Simplify right side
    22,445.60x = 400,727,195.44
  5. Step 5: Solve for x
    x = 400,727,195.44/22,445.60
  6. Step 6: Final answer
    x = 17,853.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.