Home / 20,021.01-27,627.79-11,067.98

Finding the Fourth Proportional to 20,021.01, 27,627.79 and 11,067.98

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Solution

The fourth proportional to 20,021.01, 27,627.79 and 11,067.98 is: 15,273.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.01 : 27,627.79 = 11,067.98 : x
  2. Step 2: Convert to fraction form
    20,021.01/27,627.79 = 11,067.98/x
  3. Step 3: Cross multiply
    20,021.01x = 27,627.79 × 11,067.98
  4. Step 4: Simplify right side
    20,021.01x = 305,783,827.16
  5. Step 5: Solve for x
    x = 305,783,827.16/20,021.01
  6. Step 6: Final answer
    x = 15,273.15

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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.