Home / 20,237.30-27,924.09-11,282.84

Finding the Fourth Proportional to 20,237.30, 27,924.09 and 11,282.84

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Solution

The fourth proportional to 20,237.30, 27,924.09 and 11,282.84 is: 15,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.30 : 27,924.09 = 11,282.84 : x
  2. Step 2: Convert to fraction form
    20,237.30/27,924.09 = 11,282.84/x
  3. Step 3: Cross multiply
    20,237.30x = 27,924.09 × 11,282.84
  4. Step 4: Simplify right side
    20,237.30x = 315,063,039.62
  5. Step 5: Solve for x
    x = 315,063,039.62/20,237.30
  6. Step 6: Final answer
    x = 15,568.43

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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.