Home / 19,601.75-27,049.15-11,105.66

Finding the Fourth Proportional to 19,601.75, 27,049.15 and 11,105.66

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Solution

The fourth proportional to 19,601.75, 27,049.15 and 11,105.66 is: 15,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,601.75 : 27,049.15 = 11,105.66 : x
  2. Step 2: Convert to fraction form
    19,601.75/27,049.15 = 11,105.66/x
  3. Step 3: Cross multiply
    19,601.75x = 27,049.15 × 11,105.66
  4. Step 4: Simplify right side
    19,601.75x = 300,398,663.19
  5. Step 5: Solve for x
    x = 300,398,663.19/19,601.75
  6. Step 6: Final answer
    x = 15,325.09

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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.