Home / 19,207.22-28,791.07-7,357.77

Finding the Fourth Proportional to 19,207.22, 28,791.07 and 7,357.77

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Solution

The fourth proportional to 19,207.22, 28,791.07 and 7,357.77 is: 11,029.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207.22 : 28,791.07 = 7,357.77 : x
  2. Step 2: Convert to fraction form
    19,207.22/28,791.07 = 7,357.77/x
  3. Step 3: Cross multiply
    19,207.22x = 28,791.07 × 7,357.77
  4. Step 4: Simplify right side
    19,207.22x = 211,838,052.72
  5. Step 5: Solve for x
    x = 211,838,052.72/19,207.22
  6. Step 6: Final answer
    x = 11,029.09

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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.