Home / 20,282.00-27,975.07-18,608.94

Finding the Fourth Proportional to 20,282.00, 27,975.07 and 18,608.94

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Solution

The fourth proportional to 20,282.00, 27,975.07 and 18,608.94 is: 25,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,282.00 : 27,975.07 = 18,608.94 : x
  2. Step 2: Convert to fraction form
    20,282.00/27,975.07 = 18,608.94/x
  3. Step 3: Cross multiply
    20,282.00x = 27,975.07 × 18,608.94
  4. Step 4: Simplify right side
    20,282.00x = 520,586,422.39
  5. Step 5: Solve for x
    x = 520,586,422.39/20,282.00
  6. Step 6: Final answer
    x = 25,667.42

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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.