Home / 16,120.92-22,336.44-15,771

Finding the Fourth Proportional to 16,120.92, 22,336.44 and 15,771

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Solution

The fourth proportional to 16,120.92, 22,336.44 and 15,771 is: 21,851.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120.92 : 22,336.44 = 15,771 : x
  2. Step 2: Convert to fraction form
    16,120.92/22,336.44 = 15,771/x
  3. Step 3: Cross multiply
    16,120.92x = 22,336.44 × 15,771
  4. Step 4: Simplify right side
    16,120.92x = 352,267,995.24
  5. Step 5: Solve for x
    x = 352,267,995.24/16,120.92
  6. Step 6: Final answer
    x = 21,851.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.