Home / 18,769.37-28,097.97-11,351.39

Finding the Fourth Proportional to 18,769.37, 28,097.97 and 11,351.39

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Solution

The fourth proportional to 18,769.37, 28,097.97 and 11,351.39 is: 16,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.37 : 28,097.97 = 11,351.39 : x
  2. Step 2: Convert to fraction form
    18,769.37/28,097.97 = 11,351.39/x
  3. Step 3: Cross multiply
    18,769.37x = 28,097.97 × 11,351.39
  4. Step 4: Simplify right side
    18,769.37x = 318,950,958.92
  5. Step 5: Solve for x
    x = 318,950,958.92/18,769.37
  6. Step 6: Final answer
    x = 16,993.16

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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.