Home / 18,821.58-25,974.52-10,324.01

Finding the Fourth Proportional to 18,821.58, 25,974.52 and 10,324.01

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Solution

The fourth proportional to 18,821.58, 25,974.52 and 10,324.01 is: 14,247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821.58 : 25,974.52 = 10,324.01 : x
  2. Step 2: Convert to fraction form
    18,821.58/25,974.52 = 10,324.01/x
  3. Step 3: Cross multiply
    18,821.58x = 25,974.52 × 10,324.01
  4. Step 4: Simplify right side
    18,821.58x = 268,161,155.32
  5. Step 5: Solve for x
    x = 268,161,155.32/18,821.58
  6. Step 6: Final answer
    x = 14,247.54

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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.