Home / 18,796.20-25,920.84-11,241.30

Finding the Fourth Proportional to 18,796.20, 25,920.84 and 11,241.30

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Solution

The fourth proportional to 18,796.20, 25,920.84 and 11,241.30 is: 15,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,796.20 : 25,920.84 = 11,241.30 : x
  2. Step 2: Convert to fraction form
    18,796.20/25,920.84 = 11,241.30/x
  3. Step 3: Cross multiply
    18,796.20x = 25,920.84 × 11,241.30
  4. Step 4: Simplify right side
    18,796.20x = 291,383,938.69
  5. Step 5: Solve for x
    x = 291,383,938.69/18,796.20
  6. Step 6: Final answer
    x = 15,502.28

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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.