Home / 20,039.94-27,657.18-11,542.44

Finding the Fourth Proportional to 20,039.94, 27,657.18 and 11,542.44

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Solution

The fourth proportional to 20,039.94, 27,657.18 and 11,542.44 is: 15,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.94 : 27,657.18 = 11,542.44 : x
  2. Step 2: Convert to fraction form
    20,039.94/27,657.18 = 11,542.44/x
  3. Step 3: Cross multiply
    20,039.94x = 27,657.18 × 11,542.44
  4. Step 4: Simplify right side
    20,039.94x = 319,231,340.72
  5. Step 5: Solve for x
    x = 319,231,340.72/20,039.94
  6. Step 6: Final answer
    x = 15,929.76

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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.