Home / 16,072.62-22,181.13-8,998.98

Finding the Fourth Proportional to 16,072.62, 22,181.13 and 8,998.98

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Solution

The fourth proportional to 16,072.62, 22,181.13 and 8,998.98 is: 12,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,072.62 : 22,181.13 = 8,998.98 : x
  2. Step 2: Convert to fraction form
    16,072.62/22,181.13 = 8,998.98/x
  3. Step 3: Cross multiply
    16,072.62x = 22,181.13 × 8,998.98
  4. Step 4: Simplify right side
    16,072.62x = 199,607,545.25
  5. Step 5: Solve for x
    x = 199,607,545.25/16,072.62
  6. Step 6: Final answer
    x = 12,419.10

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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.