Home / 13,441.37-20,169.83-5,542.41

Finding the Fourth Proportional to 13,441.37, 20,169.83 and 5,542.41

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Solution

The fourth proportional to 13,441.37, 20,169.83 and 5,542.41 is: 8,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.37 : 20,169.83 = 5,542.41 : x
  2. Step 2: Convert to fraction form
    13,441.37/20,169.83 = 5,542.41/x
  3. Step 3: Cross multiply
    13,441.37x = 20,169.83 × 5,542.41
  4. Step 4: Simplify right side
    13,441.37x = 111,789,412.35
  5. Step 5: Solve for x
    x = 111,789,412.35/13,441.37
  6. Step 6: Final answer
    x = 8,316.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.