Home / 18,226.20-25,143.26-10,672.68

Finding the Fourth Proportional to 18,226.20, 25,143.26 and 10,672.68

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Solution

The fourth proportional to 18,226.20, 25,143.26 and 10,672.68 is: 14,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.20 : 25,143.26 = 10,672.68 : x
  2. Step 2: Convert to fraction form
    18,226.20/25,143.26 = 10,672.68/x
  3. Step 3: Cross multiply
    18,226.20x = 25,143.26 × 10,672.68
  4. Step 4: Simplify right side
    18,226.20x = 268,345,968.14
  5. Step 5: Solve for x
    x = 268,345,968.14/18,226.20
  6. Step 6: Final answer
    x = 14,723.09

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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.