Home / 19,791.04-29,648.13-17,687.92

Finding the Fourth Proportional to 19,791.04, 29,648.13 and 17,687.92

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Solution

The fourth proportional to 19,791.04, 29,648.13 and 17,687.92 is: 26,497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.04 : 29,648.13 = 17,687.92 : x
  2. Step 2: Convert to fraction form
    19,791.04/29,648.13 = 17,687.92/x
  3. Step 3: Cross multiply
    19,791.04x = 29,648.13 × 17,687.92
  4. Step 4: Simplify right side
    19,791.04x = 524,413,751.59
  5. Step 5: Solve for x
    x = 524,413,751.59/19,791.04
  6. Step 6: Final answer
    x = 26,497.53

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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.