Home / 16,824.20-25,236.30-10,919.30

Finding the Fourth Proportional to 16,824.20, 25,236.30 and 10,919.30

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Solution

The fourth proportional to 16,824.20, 25,236.30 and 10,919.30 is: 16,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,824.20 : 25,236.30 = 10,919.30 : x
  2. Step 2: Convert to fraction form
    16,824.20/25,236.30 = 10,919.30/x
  3. Step 3: Cross multiply
    16,824.20x = 25,236.30 × 10,919.30
  4. Step 4: Simplify right side
    16,824.20x = 275,562,730.59
  5. Step 5: Solve for x
    x = 275,562,730.59/16,824.20
  6. Step 6: Final answer
    x = 16,378.95

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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.