Home / 19,029.94-28,553.11-11,238.75

Finding the Fourth Proportional to 19,029.94, 28,553.11 and 11,238.75

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Solution

The fourth proportional to 19,029.94, 28,553.11 and 11,238.75 is: 16,862.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.94 : 28,553.11 = 11,238.75 : x
  2. Step 2: Convert to fraction form
    19,029.94/28,553.11 = 11,238.75/x
  3. Step 3: Cross multiply
    19,029.94x = 28,553.11 × 11,238.75
  4. Step 4: Simplify right side
    19,029.94x = 320,901,236.92
  5. Step 5: Solve for x
    x = 320,901,236.92/19,029.94
  6. Step 6: Final answer
    x = 16,862.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.