Home / 24,808.40-37,218.60-7,278.80

Finding the Fourth Proportional to 24,808.40, 37,218.60 and 7,278.80

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Solution

The fourth proportional to 24,808.40, 37,218.60 and 7,278.80 is: 10,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,808.40 : 37,218.60 = 7,278.80 : x
  2. Step 2: Convert to fraction form
    24,808.40/37,218.60 = 7,278.80/x
  3. Step 3: Cross multiply
    24,808.40x = 37,218.60 × 7,278.80
  4. Step 4: Simplify right side
    24,808.40x = 270,906,745.68
  5. Step 5: Solve for x
    x = 270,906,745.68/24,808.40
  6. Step 6: Final answer
    x = 10,919.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.