Home / 22,309.12-33,303.68-20,753.92

Finding the Fourth Proportional to 22,309.12, 33,303.68 and 20,753.92

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Solution

The fourth proportional to 22,309.12, 33,303.68 and 20,753.92 is: 30,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,309.12 : 33,303.68 = 20,753.92 : x
  2. Step 2: Convert to fraction form
    22,309.12/33,303.68 = 20,753.92/x
  3. Step 3: Cross multiply
    22,309.12x = 33,303.68 × 20,753.92
  4. Step 4: Simplify right side
    22,309.12x = 691,181,910.43
  5. Step 5: Solve for x
    x = 691,181,910.43/22,309.12
  6. Step 6: Final answer
    x = 30,982.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.