Home / 16,729.20-23,086.74-9,175.86

Finding the Fourth Proportional to 16,729.20, 23,086.74 and 9,175.86

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Solution

The fourth proportional to 16,729.20, 23,086.74 and 9,175.86 is: 12,662.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,729.20 : 23,086.74 = 9,175.86 : x
  2. Step 2: Convert to fraction form
    16,729.20/23,086.74 = 9,175.86/x
  3. Step 3: Cross multiply
    16,729.20x = 23,086.74 × 9,175.86
  4. Step 4: Simplify right side
    16,729.20x = 211,840,694.10
  5. Step 5: Solve for x
    x = 211,840,694.10/16,729.20
  6. Step 6: Final answer
    x = 12,662.93

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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.