Home / 20,263.88-27,968.82-11,883.08

Finding the Fourth Proportional to 20,263.88, 27,968.82 and 11,883.08

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Solution

The fourth proportional to 20,263.88, 27,968.82 and 11,883.08 is: 16,401.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.88 : 27,968.82 = 11,883.08 : x
  2. Step 2: Convert to fraction form
    20,263.88/27,968.82 = 11,883.08/x
  3. Step 3: Cross multiply
    20,263.88x = 27,968.82 × 11,883.08
  4. Step 4: Simplify right side
    20,263.88x = 332,355,725.57
  5. Step 5: Solve for x
    x = 332,355,725.57/20,263.88
  6. Step 6: Final answer
    x = 16,401.39

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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.