Home / 18,821.87-25,974.44-10,324.80

Finding the Fourth Proportional to 18,821.87, 25,974.44 and 10,324.80

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Solution

The fourth proportional to 18,821.87, 25,974.44 and 10,324.80 is: 14,248.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821.87 : 25,974.44 = 10,324.80 : x
  2. Step 2: Convert to fraction form
    18,821.87/25,974.44 = 10,324.80/x
  3. Step 3: Cross multiply
    18,821.87x = 25,974.44 × 10,324.80
  4. Step 4: Simplify right side
    18,821.87x = 268,180,846.49
  5. Step 5: Solve for x
    x = 268,180,846.49/18,821.87
  6. Step 6: Final answer
    x = 14,248.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.