Home / 20,542.06-30,821.89-6,503.23

Finding the Fourth Proportional to 20,542.06, 30,821.89 and 6,503.23

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Solution

The fourth proportional to 20,542.06, 30,821.89 and 6,503.23 is: 9,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542.06 : 30,821.89 = 6,503.23 : x
  2. Step 2: Convert to fraction form
    20,542.06/30,821.89 = 6,503.23/x
  3. Step 3: Cross multiply
    20,542.06x = 30,821.89 × 6,503.23
  4. Step 4: Simplify right side
    20,542.06x = 200,441,839.70
  5. Step 5: Solve for x
    x = 200,441,839.70/20,542.06
  6. Step 6: Final answer
    x = 9,757.63

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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.