Home / 20,036.08-27,650.28-11,083.75

Finding the Fourth Proportional to 20,036.08, 27,650.28 and 11,083.75

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Solution

The fourth proportional to 20,036.08, 27,650.28 and 11,083.75 is: 15,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.08 : 27,650.28 = 11,083.75 : x
  2. Step 2: Convert to fraction form
    20,036.08/27,650.28 = 11,083.75/x
  3. Step 3: Cross multiply
    20,036.08x = 27,650.28 × 11,083.75
  4. Step 4: Simplify right side
    20,036.08x = 306,468,790.95
  5. Step 5: Solve for x
    x = 306,468,790.95/20,036.08
  6. Step 6: Final answer
    x = 15,295.85

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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.