Home / 18,578.30-27,874.73-6,892.43

Finding the Fourth Proportional to 18,578.30, 27,874.73 and 6,892.43

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Solution

The fourth proportional to 18,578.30, 27,874.73 and 6,892.43 is: 10,341.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578.30 : 27,874.73 = 6,892.43 : x
  2. Step 2: Convert to fraction form
    18,578.30/27,874.73 = 6,892.43/x
  3. Step 3: Cross multiply
    18,578.30x = 27,874.73 × 6,892.43
  4. Step 4: Simplify right side
    18,578.30x = 192,124,503.15
  5. Step 5: Solve for x
    x = 192,124,503.15/18,578.30
  6. Step 6: Final answer
    x = 10,341.34

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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.