Home / 19,960.58-27,545.10-11,007.97

Finding the Fourth Proportional to 19,960.58, 27,545.10 and 11,007.97

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Solution

The fourth proportional to 19,960.58, 27,545.10 and 11,007.97 is: 15,190.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.58 : 27,545.10 = 11,007.97 : x
  2. Step 2: Convert to fraction form
    19,960.58/27,545.10 = 11,007.97/x
  3. Step 3: Cross multiply
    19,960.58x = 27,545.10 × 11,007.97
  4. Step 4: Simplify right side
    19,960.58x = 303,215,634.45
  5. Step 5: Solve for x
    x = 303,215,634.45/19,960.58
  6. Step 6: Final answer
    x = 15,190.72

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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.