Home / 18,546.12-27,821.52-6,859.44

Finding the Fourth Proportional to 18,546.12, 27,821.52 and 6,859.44

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Solution

The fourth proportional to 18,546.12, 27,821.52 and 6,859.44 is: 10,290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546.12 : 27,821.52 = 6,859.44 : x
  2. Step 2: Convert to fraction form
    18,546.12/27,821.52 = 6,859.44/x
  3. Step 3: Cross multiply
    18,546.12x = 27,821.52 × 6,859.44
  4. Step 4: Simplify right side
    18,546.12x = 190,840,047.15
  5. Step 5: Solve for x
    x = 190,840,047.15/18,546.12
  6. Step 6: Final answer
    x = 10,290.03

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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.