Home / 20,629.14-30,939.75-5,834.49

Finding the Fourth Proportional to 20,629.14, 30,939.75 and 5,834.49

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Solution

The fourth proportional to 20,629.14, 30,939.75 and 5,834.49 is: 8,750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629.14 : 30,939.75 = 5,834.49 : x
  2. Step 2: Convert to fraction form
    20,629.14/30,939.75 = 5,834.49/x
  3. Step 3: Cross multiply
    20,629.14x = 30,939.75 × 5,834.49
  4. Step 4: Simplify right side
    20,629.14x = 180,517,661.98
  5. Step 5: Solve for x
    x = 180,517,661.98/20,629.14
  6. Step 6: Final answer
    x = 8,750.62

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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.