Home / 16,116.62-22,239.32-8,945.99

Finding the Fourth Proportional to 16,116.62, 22,239.32 and 8,945.99

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Solution

The fourth proportional to 16,116.62, 22,239.32 and 8,945.99 is: 12,344.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,116.62 : 22,239.32 = 8,945.99 : x
  2. Step 2: Convert to fraction form
    16,116.62/22,239.32 = 8,945.99/x
  3. Step 3: Cross multiply
    16,116.62x = 22,239.32 × 8,945.99
  4. Step 4: Simplify right side
    16,116.62x = 198,952,734.33
  5. Step 5: Solve for x
    x = 198,952,734.33/16,116.62
  6. Step 6: Final answer
    x = 12,344.57

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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.