Home / 16,806.39-25,201.86-8,031.66

Finding the Fourth Proportional to 16,806.39, 25,201.86 and 8,031.66

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Solution

The fourth proportional to 16,806.39, 25,201.86 and 8,031.66 is: 12,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,806.39 : 25,201.86 = 8,031.66 : x
  2. Step 2: Convert to fraction form
    16,806.39/25,201.86 = 8,031.66/x
  3. Step 3: Cross multiply
    16,806.39x = 25,201.86 × 8,031.66
  4. Step 4: Simplify right side
    16,806.39x = 202,412,770.89
  5. Step 5: Solve for x
    x = 202,412,770.89/16,806.39
  6. Step 6: Final answer
    x = 12,043.80

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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.