Home / 19,207.42-28,791.36-7,357.96

Finding the Fourth Proportional to 19,207.42, 28,791.36 and 7,357.96

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Solution

The fourth proportional to 19,207.42, 28,791.36 and 7,357.96 is: 11,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207.42 : 28,791.36 = 7,357.96 : x
  2. Step 2: Convert to fraction form
    19,207.42/28,791.36 = 7,357.96/x
  3. Step 3: Cross multiply
    19,207.42x = 28,791.36 × 7,357.96
  4. Step 4: Simplify right side
    19,207.42x = 211,845,675.23
  5. Step 5: Solve for x
    x = 211,845,675.23/19,207.42
  6. Step 6: Final answer
    x = 11,029.37

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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.