Home / 23,047.82-31,739.06-20,021.56

Finding the Fourth Proportional to 23,047.82, 31,739.06 and 20,021.56

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Solution

The fourth proportional to 23,047.82, 31,739.06 and 20,021.56 is: 27,571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,047.82 : 31,739.06 = 20,021.56 : x
  2. Step 2: Convert to fraction form
    23,047.82/31,739.06 = 20,021.56/x
  3. Step 3: Cross multiply
    23,047.82x = 31,739.06 × 20,021.56
  4. Step 4: Simplify right side
    23,047.82x = 635,465,464.84
  5. Step 5: Solve for x
    x = 635,465,464.84/23,047.82
  6. Step 6: Final answer
    x = 27,571.61

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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.