Home / 16,015.44-22,100.37-8,942.31

Finding the Fourth Proportional to 16,015.44, 22,100.37 and 8,942.31

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Solution

The fourth proportional to 16,015.44, 22,100.37 and 8,942.31 is: 12,339.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,015.44 : 22,100.37 = 8,942.31 : x
  2. Step 2: Convert to fraction form
    16,015.44/22,100.37 = 8,942.31/x
  3. Step 3: Cross multiply
    16,015.44x = 22,100.37 × 8,942.31
  4. Step 4: Simplify right side
    16,015.44x = 197,628,359.65
  5. Step 5: Solve for x
    x = 197,628,359.65/16,015.44
  6. Step 6: Final answer
    x = 12,339.86

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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.