Home / 20,614.44-28,447.93-11,661.75

Finding the Fourth Proportional to 20,614.44, 28,447.93 and 11,661.75

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Solution

The fourth proportional to 20,614.44, 28,447.93 and 11,661.75 is: 16,093.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614.44 : 28,447.93 = 11,661.75 : x
  2. Step 2: Convert to fraction form
    20,614.44/28,447.93 = 11,661.75/x
  3. Step 3: Cross multiply
    20,614.44x = 28,447.93 × 11,661.75
  4. Step 4: Simplify right side
    20,614.44x = 331,752,647.68
  5. Step 5: Solve for x
    x = 331,752,647.68/20,614.44
  6. Step 6: Final answer
    x = 16,093.22

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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.