Home / 18,241.68-25,184.40-11,964.96

Finding the Fourth Proportional to 18,241.68, 25,184.40 and 11,964.96

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Solution

The fourth proportional to 18,241.68, 25,184.40 and 11,964.96 is: 16,518.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.68 : 25,184.40 = 11,964.96 : x
  2. Step 2: Convert to fraction form
    18,241.68/25,184.40 = 11,964.96/x
  3. Step 3: Cross multiply
    18,241.68x = 25,184.40 × 11,964.96
  4. Step 4: Simplify right side
    18,241.68x = 301,330,338.62
  5. Step 5: Solve for x
    x = 301,330,338.62/18,241.68
  6. Step 6: Final answer
    x = 16,518.78

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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.