Home / 18,550.52-27,788.67-11,150.93

Finding the Fourth Proportional to 18,550.52, 27,788.67 and 11,150.93

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Solution

The fourth proportional to 18,550.52, 27,788.67 and 11,150.93 is: 16,704.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.52 : 27,788.67 = 11,150.93 : x
  2. Step 2: Convert to fraction form
    18,550.52/27,788.67 = 11,150.93/x
  3. Step 3: Cross multiply
    18,550.52x = 27,788.67 × 11,150.93
  4. Step 4: Simplify right side
    18,550.52x = 309,869,583.43
  5. Step 5: Solve for x
    x = 309,869,583.43/18,550.52
  6. Step 6: Final answer
    x = 16,704.09

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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.