Home / 20,236.74-27,924.57-11,282.55

Finding the Fourth Proportional to 20,236.74, 27,924.57 and 11,282.55

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Solution

The fourth proportional to 20,236.74, 27,924.57 and 11,282.55 is: 15,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.74 : 27,924.57 = 11,282.55 : x
  2. Step 2: Convert to fraction form
    20,236.74/27,924.57 = 11,282.55/x
  3. Step 3: Cross multiply
    20,236.74x = 27,924.57 × 11,282.55
  4. Step 4: Simplify right side
    20,236.74x = 315,060,357.25
  5. Step 5: Solve for x
    x = 315,060,357.25/20,236.74
  6. Step 6: Final answer
    x = 15,568.73

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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.