Home / 21,786.86-32,679.62-6,204.49

Finding the Fourth Proportional to 21,786.86, 32,679.62 and 6,204.49

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Solution

The fourth proportional to 21,786.86, 32,679.62 and 6,204.49 is: 9,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.86 : 32,679.62 = 6,204.49 : x
  2. Step 2: Convert to fraction form
    21,786.86/32,679.62 = 6,204.49/x
  3. Step 3: Cross multiply
    21,786.86x = 32,679.62 × 6,204.49
  4. Step 4: Simplify right side
    21,786.86x = 202,760,286.04
  5. Step 5: Solve for x
    x = 202,760,286.04/21,786.86
  6. Step 6: Final answer
    x = 9,306.54

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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.