Home / 18,440.39-27,660.56-6,747.23

Finding the Fourth Proportional to 18,440.39, 27,660.56 and 6,747.23

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Solution

The fourth proportional to 18,440.39, 27,660.56 and 6,747.23 is: 10,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.39 : 27,660.56 = 6,747.23 : x
  2. Step 2: Convert to fraction form
    18,440.39/27,660.56 = 6,747.23/x
  3. Step 3: Cross multiply
    18,440.39x = 27,660.56 × 6,747.23
  4. Step 4: Simplify right side
    18,440.39x = 186,632,195.66
  5. Step 5: Solve for x
    x = 186,632,195.66/18,440.39
  6. Step 6: Final answer
    x = 10,120.84

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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.