Home / 22,151.24-30,568.26-12,215.24

Finding the Fourth Proportional to 22,151.24, 30,568.26 and 12,215.24

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Solution

The fourth proportional to 22,151.24, 30,568.26 and 12,215.24 is: 16,856.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151.24 : 30,568.26 = 12,215.24 : x
  2. Step 2: Convert to fraction form
    22,151.24/30,568.26 = 12,215.24/x
  3. Step 3: Cross multiply
    22,151.24x = 30,568.26 × 12,215.24
  4. Step 4: Simplify right side
    22,151.24x = 373,398,632.28
  5. Step 5: Solve for x
    x = 373,398,632.28/22,151.24
  6. Step 6: Final answer
    x = 16,856.78

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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.