Home / 16,105.75-22,218.37-11,392.63

Finding the Fourth Proportional to 16,105.75, 22,218.37 and 11,392.63

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Solution

The fourth proportional to 16,105.75, 22,218.37 and 11,392.63 is: 15,716.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,105.75 : 22,218.37 = 11,392.63 : x
  2. Step 2: Convert to fraction form
    16,105.75/22,218.37 = 11,392.63/x
  3. Step 3: Cross multiply
    16,105.75x = 22,218.37 × 11,392.63
  4. Step 4: Simplify right side
    16,105.75x = 253,125,668.61
  5. Step 5: Solve for x
    x = 253,125,668.61/16,105.75
  6. Step 6: Final answer
    x = 15,716.48

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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.