Home / 18,787.44-28,183.32-10,996.32

Finding the Fourth Proportional to 18,787.44, 28,183.32 and 10,996.32

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Solution

The fourth proportional to 18,787.44, 28,183.32 and 10,996.32 is: 16,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.44 : 28,183.32 = 10,996.32 : x
  2. Step 2: Convert to fraction form
    18,787.44/28,183.32 = 10,996.32/x
  3. Step 3: Cross multiply
    18,787.44x = 28,183.32 × 10,996.32
  4. Step 4: Simplify right side
    18,787.44x = 309,912,805.38
  5. Step 5: Solve for x
    x = 309,912,805.38/18,787.44
  6. Step 6: Final answer
    x = 16,495.74

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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.