Home / 19,660.88-27,105.48-19,049.36

Finding the Fourth Proportional to 19,660.88, 27,105.48 and 19,049.36

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Solution

The fourth proportional to 19,660.88, 27,105.48 and 19,049.36 is: 26,262.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.88 : 27,105.48 = 19,049.36 : x
  2. Step 2: Convert to fraction form
    19,660.88/27,105.48 = 19,049.36/x
  3. Step 3: Cross multiply
    19,660.88x = 27,105.48 × 19,049.36
  4. Step 4: Simplify right side
    19,660.88x = 516,342,046.49
  5. Step 5: Solve for x
    x = 516,342,046.49/19,660.88
  6. Step 6: Final answer
    x = 26,262.41

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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.