Home / 20,361.24-30,540.42-6,320.91

Finding the Fourth Proportional to 20,361.24, 30,540.42 and 6,320.91

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Solution

The fourth proportional to 20,361.24, 30,540.42 and 6,320.91 is: 9,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,361.24 : 30,540.42 = 6,320.91 : x
  2. Step 2: Convert to fraction form
    20,361.24/30,540.42 = 6,320.91/x
  3. Step 3: Cross multiply
    20,361.24x = 30,540.42 × 6,320.91
  4. Step 4: Simplify right side
    20,361.24x = 193,043,246.18
  5. Step 5: Solve for x
    x = 193,043,246.18/20,361.24
  6. Step 6: Final answer
    x = 9,480.92

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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.