Home / 22,163.92-33,102.18-20,079.76

Finding the Fourth Proportional to 22,163.92, 33,102.18 and 20,079.76

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Solution

The fourth proportional to 22,163.92, 33,102.18 and 20,079.76 is: 29,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.92 : 33,102.18 = 20,079.76 : x
  2. Step 2: Convert to fraction form
    22,163.92/33,102.18 = 20,079.76/x
  3. Step 3: Cross multiply
    22,163.92x = 33,102.18 × 20,079.76
  4. Step 4: Simplify right side
    22,163.92x = 664,683,829.88
  5. Step 5: Solve for x
    x = 664,683,829.88/22,163.92
  6. Step 6: Final answer
    x = 29,989.45

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Half scale
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Double scale
Find fourth proportional to 22,164.92, 33,103.67 and 20,080.76
Similar ratio
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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.