Home / 18,072.18-27,108.36-6,385.41

Finding the Fourth Proportional to 18,072.18, 27,108.36 and 6,385.41

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Solution

The fourth proportional to 18,072.18, 27,108.36 and 6,385.41 is: 9,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.18 : 27,108.36 = 6,385.41 : x
  2. Step 2: Convert to fraction form
    18,072.18/27,108.36 = 6,385.41/x
  3. Step 3: Cross multiply
    18,072.18x = 27,108.36 × 6,385.41
  4. Step 4: Simplify right side
    18,072.18x = 173,097,993.03
  5. Step 5: Solve for x
    x = 173,097,993.03/18,072.18
  6. Step 6: Final answer
    x = 9,578.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.