Home / 13,961.48-20,934.12-5,634.68

Finding the Fourth Proportional to 13,961.48, 20,934.12 and 5,634.68

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Solution

The fourth proportional to 13,961.48, 20,934.12 and 5,634.68 is: 8,448.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.48 : 20,934.12 = 5,634.68 : x
  2. Step 2: Convert to fraction form
    13,961.48/20,934.12 = 5,634.68/x
  3. Step 3: Cross multiply
    13,961.48x = 20,934.12 × 5,634.68
  4. Step 4: Simplify right side
    13,961.48x = 117,957,067.28
  5. Step 5: Solve for x
    x = 117,957,067.28/13,961.48
  6. Step 6: Final answer
    x = 8,448.75

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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.