Home / 20,183.07-27,853.02-11,230.95

Finding the Fourth Proportional to 20,183.07, 27,853.02 and 11,230.95

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Solution

The fourth proportional to 20,183.07, 27,853.02 and 11,230.95 is: 15,498.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.07 : 27,853.02 = 11,230.95 : x
  2. Step 2: Convert to fraction form
    20,183.07/27,853.02 = 11,230.95/x
  3. Step 3: Cross multiply
    20,183.07x = 27,853.02 × 11,230.95
  4. Step 4: Simplify right side
    20,183.07x = 312,815,874.97
  5. Step 5: Solve for x
    x = 312,815,874.97/20,183.07
  6. Step 6: Final answer
    x = 15,498.92

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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.