Home / 18,733.15-28,115.49-9,370.36

Finding the Fourth Proportional to 18,733.15, 28,115.49 and 9,370.36

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Solution

The fourth proportional to 18,733.15, 28,115.49 and 9,370.36 is: 14,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.15 : 28,115.49 = 9,370.36 : x
  2. Step 2: Convert to fraction form
    18,733.15/28,115.49 = 9,370.36/x
  3. Step 3: Cross multiply
    18,733.15x = 28,115.49 × 9,370.36
  4. Step 4: Simplify right side
    18,733.15x = 263,452,262.88
  5. Step 5: Solve for x
    x = 263,452,262.88/18,733.15
  6. Step 6: Final answer
    x = 14,063.43

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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.