Home / 18,474.06-27,722.13-6,788.46

Finding the Fourth Proportional to 18,474.06, 27,722.13 and 6,788.46

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Solution

The fourth proportional to 18,474.06, 27,722.13 and 6,788.46 is: 10,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.06 : 27,722.13 = 6,788.46 : x
  2. Step 2: Convert to fraction form
    18,474.06/27,722.13 = 6,788.46/x
  3. Step 3: Cross multiply
    18,474.06x = 27,722.13 × 6,788.46
  4. Step 4: Simplify right side
    18,474.06x = 188,190,570.62
  5. Step 5: Solve for x
    x = 188,190,570.62/18,474.06
  6. Step 6: Final answer
    x = 10,186.75

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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.