Home / 16,982.38-25,485.18-10,388.44

Finding the Fourth Proportional to 16,982.38, 25,485.18 and 10,388.44

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Solution

The fourth proportional to 16,982.38, 25,485.18 and 10,388.44 is: 15,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.38 : 25,485.18 = 10,388.44 : x
  2. Step 2: Convert to fraction form
    16,982.38/25,485.18 = 10,388.44/x
  3. Step 3: Cross multiply
    16,982.38x = 25,485.18 × 10,388.44
  4. Step 4: Simplify right side
    16,982.38x = 264,751,263.32
  5. Step 5: Solve for x
    x = 264,751,263.32/16,982.38
  6. Step 6: Final answer
    x = 15,589.76

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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.