Home / 20,664.37-30,997.37-5,874.58

Finding the Fourth Proportional to 20,664.37, 30,997.37 and 5,874.58

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Solution

The fourth proportional to 20,664.37, 30,997.37 and 5,874.58 is: 8,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,664.37 : 30,997.37 = 5,874.58 : x
  2. Step 2: Convert to fraction form
    20,664.37/30,997.37 = 5,874.58/x
  3. Step 3: Cross multiply
    20,664.37x = 30,997.37 × 5,874.58
  4. Step 4: Simplify right side
    20,664.37x = 182,096,529.85
  5. Step 5: Solve for x
    x = 182,096,529.85/20,664.37
  6. Step 6: Final answer
    x = 8,812.10

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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.