Home / 16,121.22-22,247.36-8,951.23

Finding the Fourth Proportional to 16,121.22, 22,247.36 and 8,951.23

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Solution

The fourth proportional to 16,121.22, 22,247.36 and 8,951.23 is: 12,352.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.22 : 22,247.36 = 8,951.23 : x
  2. Step 2: Convert to fraction form
    16,121.22/22,247.36 = 8,951.23/x
  3. Step 3: Cross multiply
    16,121.22x = 22,247.36 × 8,951.23
  4. Step 4: Simplify right side
    16,121.22x = 199,141,236.25
  5. Step 5: Solve for x
    x = 199,141,236.25/16,121.22
  6. Step 6: Final answer
    x = 12,352.74

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Double scale
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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.