Home / 22,143.23-33,206.03-8,100.05

Finding the Fourth Proportional to 22,143.23, 33,206.03 and 8,100.05

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Solution

The fourth proportional to 22,143.23, 33,206.03 and 8,100.05 is: 12,146.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143.23 : 33,206.03 = 8,100.05 : x
  2. Step 2: Convert to fraction form
    22,143.23/33,206.03 = 8,100.05/x
  3. Step 3: Cross multiply
    22,143.23x = 33,206.03 × 8,100.05
  4. Step 4: Simplify right side
    22,143.23x = 268,970,545.82
  5. Step 5: Solve for x
    x = 268,970,545.82/22,143.23
  6. Step 6: Final answer
    x = 12,146.86

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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.