Home / 18,669.82-25,764.22-10,171.94

Finding the Fourth Proportional to 18,669.82, 25,764.22 and 10,171.94

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Solution

The fourth proportional to 18,669.82, 25,764.22 and 10,171.94 is: 14,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.82 : 25,764.22 = 10,171.94 : x
  2. Step 2: Convert to fraction form
    18,669.82/25,764.22 = 10,171.94/x
  3. Step 3: Cross multiply
    18,669.82x = 25,764.22 × 10,171.94
  4. Step 4: Simplify right side
    18,669.82x = 262,072,138.97
  5. Step 5: Solve for x
    x = 262,072,138.97/18,669.82
  6. Step 6: Final answer
    x = 14,037.21

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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.