Home / 18,163.41-25,067.85-10,205.66

Finding the Fourth Proportional to 18,163.41, 25,067.85 and 10,205.66

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Solution

The fourth proportional to 18,163.41, 25,067.85 and 10,205.66 is: 14,085.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.41 : 25,067.85 = 10,205.66 : x
  2. Step 2: Convert to fraction form
    18,163.41/25,067.85 = 10,205.66/x
  3. Step 3: Cross multiply
    18,163.41x = 25,067.85 × 10,205.66
  4. Step 4: Simplify right side
    18,163.41x = 255,833,828.69
  5. Step 5: Solve for x
    x = 255,833,828.69/18,163.41
  6. Step 6: Final answer
    x = 14,085.12

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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.