Home / 22,121.23-33,186.77-8,081.24

Finding the Fourth Proportional to 22,121.23, 33,186.77 and 8,081.24

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Solution

The fourth proportional to 22,121.23, 33,186.77 and 8,081.24 is: 12,123.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.23 : 33,186.77 = 8,081.24 : x
  2. Step 2: Convert to fraction form
    22,121.23/33,186.77 = 8,081.24/x
  3. Step 3: Cross multiply
    22,121.23x = 33,186.77 × 8,081.24
  4. Step 4: Simplify right side
    22,121.23x = 268,190,077.16
  5. Step 5: Solve for x
    x = 268,190,077.16/22,121.23
  6. Step 6: Final answer
    x = 12,123.65

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.