Home / 16,037.70-22,131.62-8,964.78

Finding the Fourth Proportional to 16,037.70, 22,131.62 and 8,964.78

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Solution

The fourth proportional to 16,037.70, 22,131.62 and 8,964.78 is: 12,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,037.70 : 22,131.62 = 8,964.78 : x
  2. Step 2: Convert to fraction form
    16,037.70/22,131.62 = 8,964.78/x
  3. Step 3: Cross multiply
    16,037.70x = 22,131.62 × 8,964.78
  4. Step 4: Simplify right side
    16,037.70x = 198,405,104.34
  5. Step 5: Solve for x
    x = 198,405,104.34/16,037.70
  6. Step 6: Final answer
    x = 12,371.17

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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.