Home / 14,040.91-21,067.48-8,197.52

Finding the Fourth Proportional to 14,040.91, 21,067.48 and 8,197.52

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Solution

The fourth proportional to 14,040.91, 21,067.48 and 8,197.52 is: 12,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.91 : 21,067.48 = 8,197.52 : x
  2. Step 2: Convert to fraction form
    14,040.91/21,067.48 = 8,197.52/x
  3. Step 3: Cross multiply
    14,040.91x = 21,067.48 × 8,197.52
  4. Step 4: Simplify right side
    14,040.91x = 172,701,120.82
  5. Step 5: Solve for x
    x = 172,701,120.82/14,040.91
  6. Step 6: Final answer
    x = 12,299.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.