Home / 19,791.23-27,324.63-17,663.09

Finding the Fourth Proportional to 19,791.23, 27,324.63 and 17,663.09

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Solution

The fourth proportional to 19,791.23, 27,324.63 and 17,663.09 is: 24,386.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.23 : 27,324.63 = 17,663.09 : x
  2. Step 2: Convert to fraction form
    19,791.23/27,324.63 = 17,663.09/x
  3. Step 3: Cross multiply
    19,791.23x = 27,324.63 × 17,663.09
  4. Step 4: Simplify right side
    19,791.23x = 482,637,262.28
  5. Step 5: Solve for x
    x = 482,637,262.28/19,791.23
  6. Step 6: Final answer
    x = 24,386.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.