Home / 20,144.52-27,792.84-11,645.52

Finding the Fourth Proportional to 20,144.52, 27,792.84 and 11,645.52

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Solution

The fourth proportional to 20,144.52, 27,792.84 and 11,645.52 is: 16,067.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,144.52 : 27,792.84 = 11,645.52 : x
  2. Step 2: Convert to fraction form
    20,144.52/27,792.84 = 11,645.52/x
  3. Step 3: Cross multiply
    20,144.52x = 27,792.84 × 11,645.52
  4. Step 4: Simplify right side
    20,144.52x = 323,662,074.08
  5. Step 5: Solve for x
    x = 323,662,074.08/20,144.52
  6. Step 6: Final answer
    x = 16,067.00

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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.