Home / 16,812.20-25,219.68-6,949.64

Finding the Fourth Proportional to 16,812.20, 25,219.68 and 6,949.64

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Solution

The fourth proportional to 16,812.20, 25,219.68 and 6,949.64 is: 10,425.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.20 : 25,219.68 = 6,949.64 : x
  2. Step 2: Convert to fraction form
    16,812.20/25,219.68 = 6,949.64/x
  3. Step 3: Cross multiply
    16,812.20x = 25,219.68 × 6,949.64
  4. Step 4: Simplify right side
    16,812.20x = 175,267,696.92
  5. Step 5: Solve for x
    x = 175,267,696.92/16,812.20
  6. Step 6: Final answer
    x = 10,425.03

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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.