Home / 20,073.88-30,083.46-11,736.28

Finding the Fourth Proportional to 20,073.88, 30,083.46 and 11,736.28

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Solution

The fourth proportional to 20,073.88, 30,083.46 and 11,736.28 is: 17,588.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,073.88 : 30,083.46 = 11,736.28 : x
  2. Step 2: Convert to fraction form
    20,073.88/30,083.46 = 11,736.28/x
  3. Step 3: Cross multiply
    20,073.88x = 30,083.46 × 11,736.28
  4. Step 4: Simplify right side
    20,073.88x = 353,067,909.93
  5. Step 5: Solve for x
    x = 353,067,909.93/20,073.88
  6. Step 6: Final answer
    x = 17,588.42

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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.