Home / 18,351.36-25,324.20-9,967.68

Finding the Fourth Proportional to 18,351.36, 25,324.20 and 9,967.68

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Solution

The fourth proportional to 18,351.36, 25,324.20 and 9,967.68 is: 13,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.36 : 25,324.20 = 9,967.68 : x
  2. Step 2: Convert to fraction form
    18,351.36/25,324.20 = 9,967.68/x
  3. Step 3: Cross multiply
    18,351.36x = 25,324.20 × 9,967.68
  4. Step 4: Simplify right side
    18,351.36x = 252,423,521.86
  5. Step 5: Solve for x
    x = 252,423,521.86/18,351.36
  6. Step 6: Final answer
    x = 13,755.03

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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.