Home / 19,644.19-27,110.80-11,260.69

Finding the Fourth Proportional to 19,644.19, 27,110.80 and 11,260.69

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Solution

The fourth proportional to 19,644.19, 27,110.80 and 11,260.69 is: 15,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.19 : 27,110.80 = 11,260.69 : x
  2. Step 2: Convert to fraction form
    19,644.19/27,110.80 = 11,260.69/x
  3. Step 3: Cross multiply
    19,644.19x = 27,110.80 × 11,260.69
  4. Step 4: Simplify right side
    19,644.19x = 305,286,260.75
  5. Step 5: Solve for x
    x = 305,286,260.75/19,644.19
  6. Step 6: Final answer
    x = 15,540.79

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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.