Home / 20,236.23-27,923.96-11,282.90

Finding the Fourth Proportional to 20,236.23, 27,923.96 and 11,282.90

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Solution

The fourth proportional to 20,236.23, 27,923.96 and 11,282.90 is: 15,569.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.23 : 27,923.96 = 11,282.90 : x
  2. Step 2: Convert to fraction form
    20,236.23/27,923.96 = 11,282.90/x
  3. Step 3: Cross multiply
    20,236.23x = 27,923.96 × 11,282.90
  4. Step 4: Simplify right side
    20,236.23x = 315,063,052.25
  5. Step 5: Solve for x
    x = 315,063,052.25/20,236.23
  6. Step 6: Final answer
    x = 15,569.26

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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.