Home / 20,241.26-27,932.98-11,166.42

Finding the Fourth Proportional to 20,241.26, 27,932.98 and 11,166.42

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Solution

The fourth proportional to 20,241.26, 27,932.98 and 11,166.42 is: 15,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.26 : 27,932.98 = 11,166.42 : x
  2. Step 2: Convert to fraction form
    20,241.26/27,932.98 = 11,166.42/x
  3. Step 3: Cross multiply
    20,241.26x = 27,932.98 × 11,166.42
  4. Step 4: Simplify right side
    20,241.26x = 311,911,484.30
  5. Step 5: Solve for x
    x = 311,911,484.30/20,241.26
  6. Step 6: Final answer
    x = 15,409.68

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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.