Home / 16,072.50-22,180.05-8,998.77

Finding the Fourth Proportional to 16,072.50, 22,180.05 and 8,998.77

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Solution

The fourth proportional to 16,072.50, 22,180.05 and 8,998.77 is: 12,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,072.50 : 22,180.05 = 8,998.77 : x
  2. Step 2: Convert to fraction form
    16,072.50/22,180.05 = 8,998.77/x
  3. Step 3: Cross multiply
    16,072.50x = 22,180.05 × 8,998.77
  4. Step 4: Simplify right side
    16,072.50x = 199,593,168.54
  5. Step 5: Solve for x
    x = 199,593,168.54/16,072.50
  6. Step 6: Final answer
    x = 12,418.30

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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.