Home / 16,105.25-22,217.68-11,392.13

Finding the Fourth Proportional to 16,105.25, 22,217.68 and 11,392.13

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Solution

The fourth proportional to 16,105.25, 22,217.68 and 11,392.13 is: 15,715.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,105.25 : 22,217.68 = 11,392.13 : x
  2. Step 2: Convert to fraction form
    16,105.25/22,217.68 = 11,392.13/x
  3. Step 3: Cross multiply
    16,105.25x = 22,217.68 × 11,392.13
  4. Step 4: Simplify right side
    16,105.25x = 253,106,698.86
  5. Step 5: Solve for x
    x = 253,106,698.86/16,105.25
  6. Step 6: Final answer
    x = 15,715.79

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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.