Home / 22,108.23-33,162.72-12,309.80

Finding the Fourth Proportional to 22,108.23, 33,162.72 and 12,309.80

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Solution

The fourth proportional to 22,108.23, 33,162.72 and 12,309.80 is: 18,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.23 : 33,162.72 = 12,309.80 : x
  2. Step 2: Convert to fraction form
    22,108.23/33,162.72 = 12,309.80/x
  3. Step 3: Cross multiply
    22,108.23x = 33,162.72 × 12,309.80
  4. Step 4: Simplify right side
    22,108.23x = 408,226,238.68
  5. Step 5: Solve for x
    x = 408,226,238.68/22,108.23
  6. Step 6: Final answer
    x = 18,464.90

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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.