Home / 20,552.94-28,331.37-16,769.43

Finding the Fourth Proportional to 20,552.94, 28,331.37 and 16,769.43

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Solution

The fourth proportional to 20,552.94, 28,331.37 and 16,769.43 is: 23,115.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.94 : 28,331.37 = 16,769.43 : x
  2. Step 2: Convert to fraction form
    20,552.94/28,331.37 = 16,769.43/x
  3. Step 3: Cross multiply
    20,552.94x = 28,331.37 × 16,769.43
  4. Step 4: Simplify right side
    20,552.94x = 475,100,926.02
  5. Step 5: Solve for x
    x = 475,100,926.02/20,552.94
  6. Step 6: Final answer
    x = 23,115.96

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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.