Home / 19,960.43-27,543.27-11,007.39

Finding the Fourth Proportional to 19,960.43, 27,543.27 and 11,007.39

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Solution

The fourth proportional to 19,960.43, 27,543.27 and 11,007.39 is: 15,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.43 : 27,543.27 = 11,007.39 : x
  2. Step 2: Convert to fraction form
    19,960.43/27,543.27 = 11,007.39/x
  3. Step 3: Cross multiply
    19,960.43x = 27,543.27 × 11,007.39
  4. Step 4: Simplify right side
    19,960.43x = 303,179,514.77
  5. Step 5: Solve for x
    x = 303,179,514.77/19,960.43
  6. Step 6: Final answer
    x = 15,189.03

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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.