Home / 16,769.38-23,143.12-10,813.44

Finding the Fourth Proportional to 16,769.38, 23,143.12 and 10,813.44

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Solution

The fourth proportional to 16,769.38, 23,143.12 and 10,813.44 is: 14,923.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.38 : 23,143.12 = 10,813.44 : x
  2. Step 2: Convert to fraction form
    16,769.38/23,143.12 = 10,813.44/x
  3. Step 3: Cross multiply
    16,769.38x = 23,143.12 × 10,813.44
  4. Step 4: Simplify right side
    16,769.38x = 250,256,739.53
  5. Step 5: Solve for x
    x = 250,256,739.53/16,769.38
  6. Step 6: Final answer
    x = 14,923.43

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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.