Home / 18,223.32-25,149.27-11,151.12

Finding the Fourth Proportional to 18,223.32, 25,149.27 and 11,151.12

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Solution

The fourth proportional to 18,223.32, 25,149.27 and 11,151.12 is: 15,389.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.32 : 25,149.27 = 11,151.12 : x
  2. Step 2: Convert to fraction form
    18,223.32/25,149.27 = 11,151.12/x
  3. Step 3: Cross multiply
    18,223.32x = 25,149.27 × 11,151.12
  4. Step 4: Simplify right side
    18,223.32x = 280,442,527.68
  5. Step 5: Solve for x
    x = 280,442,527.68/18,223.32
  6. Step 6: Final answer
    x = 15,389.21

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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.