Home / 13,790.66-20,682.91-5,468.44

Finding the Fourth Proportional to 13,790.66, 20,682.91 and 5,468.44

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Solution

The fourth proportional to 13,790.66, 20,682.91 and 5,468.44 is: 8,201.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.66 : 20,682.91 = 5,468.44 : x
  2. Step 2: Convert to fraction form
    13,790.66/20,682.91 = 5,468.44/x
  3. Step 3: Cross multiply
    13,790.66x = 20,682.91 × 5,468.44
  4. Step 4: Simplify right side
    13,790.66x = 113,103,256.42
  5. Step 5: Solve for x
    x = 113,103,256.42/13,790.66
  6. Step 6: Final answer
    x = 8,201.44

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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.