Home / 14,635.86-20,195.52-8,261.44

Finding the Fourth Proportional to 14,635.86, 20,195.52 and 8,261.44

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Solution

The fourth proportional to 14,635.86, 20,195.52 and 8,261.44 is: 11,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.86 : 20,195.52 = 8,261.44 : x
  2. Step 2: Convert to fraction form
    14,635.86/20,195.52 = 8,261.44/x
  3. Step 3: Cross multiply
    14,635.86x = 20,195.52 × 8,261.44
  4. Step 4: Simplify right side
    14,635.86x = 166,844,076.75
  5. Step 5: Solve for x
    x = 166,844,076.75/14,635.86
  6. Step 6: Final answer
    x = 11,399.68

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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.