Home / 20,194.40-27,867.20-11,241.67

Finding the Fourth Proportional to 20,194.40, 27,867.20 and 11,241.67

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Solution

The fourth proportional to 20,194.40, 27,867.20 and 11,241.67 is: 15,512.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.40 : 27,867.20 = 11,241.67 : x
  2. Step 2: Convert to fraction form
    20,194.40/27,867.20 = 11,241.67/x
  3. Step 3: Cross multiply
    20,194.40x = 27,867.20 × 11,241.67
  4. Step 4: Simplify right side
    20,194.40x = 313,273,844.85
  5. Step 5: Solve for x
    x = 313,273,844.85/20,194.40
  6. Step 6: Final answer
    x = 15,512.91

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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.