Home / 19,194.51-28,791.77-7,499.54

Finding the Fourth Proportional to 19,194.51, 28,791.77 and 7,499.54

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Solution

The fourth proportional to 19,194.51, 28,791.77 and 7,499.54 is: 11,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.51 : 28,791.77 = 7,499.54 : x
  2. Step 2: Convert to fraction form
    19,194.51/28,791.77 = 7,499.54/x
  3. Step 3: Cross multiply
    19,194.51x = 28,791.77 × 7,499.54
  4. Step 4: Simplify right side
    19,194.51x = 215,924,849.33
  5. Step 5: Solve for x
    x = 215,924,849.33/19,194.51
  6. Step 6: Final answer
    x = 11,249.30

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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.