Home / 22,108.68-33,235.92-20,485.44

Finding the Fourth Proportional to 22,108.68, 33,235.92 and 20,485.44

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Solution

The fourth proportional to 22,108.68, 33,235.92 and 20,485.44 is: 30,795.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.68 : 33,235.92 = 20,485.44 : x
  2. Step 2: Convert to fraction form
    22,108.68/33,235.92 = 20,485.44/x
  3. Step 3: Cross multiply
    22,108.68x = 33,235.92 × 20,485.44
  4. Step 4: Simplify right side
    22,108.68x = 680,852,445.00
  5. Step 5: Solve for x
    x = 680,852,445.00/22,108.68
  6. Step 6: Final answer
    x = 30,795.71

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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.