Home / 13,787.09-20,682.92-5,467.15

Finding the Fourth Proportional to 13,787.09, 20,682.92 and 5,467.15

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Solution

The fourth proportional to 13,787.09, 20,682.92 and 5,467.15 is: 8,201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787.09 : 20,682.92 = 5,467.15 : x
  2. Step 2: Convert to fraction form
    13,787.09/20,682.92 = 5,467.15/x
  3. Step 3: Cross multiply
    13,787.09x = 20,682.92 × 5,467.15
  4. Step 4: Simplify right side
    13,787.09x = 113,076,634.85
  5. Step 5: Solve for x
    x = 113,076,634.85/13,787.09
  6. Step 6: Final answer
    x = 8,201.63

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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.