Home / 20,076.39-27,704.60-11,124.27

Finding the Fourth Proportional to 20,076.39, 27,704.60 and 11,124.27

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Solution

The fourth proportional to 20,076.39, 27,704.60 and 11,124.27 is: 15,351.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076.39 : 27,704.60 = 11,124.27 : x
  2. Step 2: Convert to fraction form
    20,076.39/27,704.60 = 11,124.27/x
  3. Step 3: Cross multiply
    20,076.39x = 27,704.60 × 11,124.27
  4. Step 4: Simplify right side
    20,076.39x = 308,193,450.64
  5. Step 5: Solve for x
    x = 308,193,450.64/20,076.39
  6. Step 6: Final answer
    x = 15,351.04

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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.