Home / 20,241.48-27,933.16-11,166.60

Finding the Fourth Proportional to 20,241.48, 27,933.16 and 11,166.60

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Solution

The fourth proportional to 20,241.48, 27,933.16 and 11,166.60 is: 15,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.48 : 27,933.16 = 11,166.60 : x
  2. Step 2: Convert to fraction form
    20,241.48/27,933.16 = 11,166.60/x
  3. Step 3: Cross multiply
    20,241.48x = 27,933.16 × 11,166.60
  4. Step 4: Simplify right side
    20,241.48x = 311,918,438.41
  5. Step 5: Solve for x
    x = 311,918,438.41/20,241.48
  6. Step 6: Final answer
    x = 15,409.86

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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.