Home / 20,206.22-27,883.89-11,253.26

Finding the Fourth Proportional to 20,206.22, 27,883.89 and 11,253.26

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Solution

The fourth proportional to 20,206.22, 27,883.89 and 11,253.26 is: 15,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206.22 : 27,883.89 = 11,253.26 : x
  2. Step 2: Convert to fraction form
    20,206.22/27,883.89 = 11,253.26/x
  3. Step 3: Cross multiply
    20,206.22x = 27,883.89 × 11,253.26
  4. Step 4: Simplify right side
    20,206.22x = 313,784,524.56
  5. Step 5: Solve for x
    x = 313,784,524.56/20,206.22
  6. Step 6: Final answer
    x = 15,529.11

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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.