Home / 19,960.56-27,545.13-11,007.90

Finding the Fourth Proportional to 19,960.56, 27,545.13 and 11,007.90

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Solution

The fourth proportional to 19,960.56, 27,545.13 and 11,007.90 is: 15,190.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.56 : 27,545.13 = 11,007.90 : x
  2. Step 2: Convert to fraction form
    19,960.56/27,545.13 = 11,007.90/x
  3. Step 3: Cross multiply
    19,960.56x = 27,545.13 × 11,007.90
  4. Step 4: Simplify right side
    19,960.56x = 303,214,036.53
  5. Step 5: Solve for x
    x = 303,214,036.53/19,960.56
  6. Step 6: Final answer
    x = 15,190.66

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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.