Home / 19,949-27,521.91-11,448.05

Finding the Fourth Proportional to 19,949, 27,521.91 and 11,448.05

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Solution

The fourth proportional to 19,949, 27,521.91 and 11,448.05 is: 15,793.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949 : 27,521.91 = 11,448.05 : x
  2. Step 2: Convert to fraction form
    19,949/27,521.91 = 11,448.05/x
  3. Step 3: Cross multiply
    19,949x = 27,521.91 × 11,448.05
  4. Step 4: Simplify right side
    19,949x = 315,072,201.78
  5. Step 5: Solve for x
    x = 315,072,201.78/19,949
  6. Step 6: Final answer
    x = 15,793.88

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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.