Home / 18,324.03-25,287.11-9,940.53

Finding the Fourth Proportional to 18,324.03, 25,287.11 and 9,940.53

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Solution

The fourth proportional to 18,324.03, 25,287.11 and 9,940.53 is: 13,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.03 : 25,287.11 = 9,940.53 : x
  2. Step 2: Convert to fraction form
    18,324.03/25,287.11 = 9,940.53/x
  3. Step 3: Cross multiply
    18,324.03x = 25,287.11 × 9,940.53
  4. Step 4: Simplify right side
    18,324.03x = 251,367,225.87
  5. Step 5: Solve for x
    x = 251,367,225.87/18,324.03
  6. Step 6: Final answer
    x = 13,717.90

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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.