Home / 18,790.73-28,187.41-7,546.07

Finding the Fourth Proportional to 18,790.73, 28,187.41 and 7,546.07

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Solution

The fourth proportional to 18,790.73, 28,187.41 and 7,546.07 is: 11,319.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.73 : 28,187.41 = 7,546.07 : x
  2. Step 2: Convert to fraction form
    18,790.73/28,187.41 = 7,546.07/x
  3. Step 3: Cross multiply
    18,790.73x = 28,187.41 × 7,546.07
  4. Step 4: Simplify right side
    18,790.73x = 212,704,183.75
  5. Step 5: Solve for x
    x = 212,704,183.75/18,790.73
  6. Step 6: Final answer
    x = 11,319.63

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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.