Home / 19,601.13-27,048.70-11,103.09

Finding the Fourth Proportional to 19,601.13, 27,048.70 and 11,103.09

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Solution

The fourth proportional to 19,601.13, 27,048.70 and 11,103.09 is: 15,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,601.13 : 27,048.70 = 11,103.09 : x
  2. Step 2: Convert to fraction form
    19,601.13/27,048.70 = 11,103.09/x
  3. Step 3: Cross multiply
    19,601.13x = 27,048.70 × 11,103.09
  4. Step 4: Simplify right side
    19,601.13x = 300,323,972.37
  5. Step 5: Solve for x
    x = 300,323,972.37/19,601.13
  6. Step 6: Final answer
    x = 15,321.76

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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.