Home / 18,733.55-28,093.37-7,634.25

Finding the Fourth Proportional to 18,733.55, 28,093.37 and 7,634.25

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Solution

The fourth proportional to 18,733.55, 28,093.37 and 7,634.25 is: 11,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.55 : 28,093.37 = 7,634.25 : x
  2. Step 2: Convert to fraction form
    18,733.55/28,093.37 = 7,634.25/x
  3. Step 3: Cross multiply
    18,733.55x = 28,093.37 × 7,634.25
  4. Step 4: Simplify right side
    18,733.55x = 214,471,771.75
  5. Step 5: Solve for x
    x = 214,471,771.75/18,733.55
  6. Step 6: Final answer
    x = 11,448.54

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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.