Home / 19,175.33-28,721.45-9,293.94

Finding the Fourth Proportional to 19,175.33, 28,721.45 and 9,293.94

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Solution

The fourth proportional to 19,175.33, 28,721.45 and 9,293.94 is: 13,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,175.33 : 28,721.45 = 9,293.94 : x
  2. Step 2: Convert to fraction form
    19,175.33/28,721.45 = 9,293.94/x
  3. Step 3: Cross multiply
    19,175.33x = 28,721.45 × 9,293.94
  4. Step 4: Simplify right side
    19,175.33x = 266,935,456.25
  5. Step 5: Solve for x
    x = 266,935,456.25/19,175.33
  6. Step 6: Final answer
    x = 13,920.77

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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.