Home / 23,396.15-32,286.30-12,785.54

Finding the Fourth Proportional to 23,396.15, 32,286.30 and 12,785.54

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Solution

The fourth proportional to 23,396.15, 32,286.30 and 12,785.54 is: 17,643.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,396.15 : 32,286.30 = 12,785.54 : x
  2. Step 2: Convert to fraction form
    23,396.15/32,286.30 = 12,785.54/x
  3. Step 3: Cross multiply
    23,396.15x = 32,286.30 × 12,785.54
  4. Step 4: Simplify right side
    23,396.15x = 412,797,780.10
  5. Step 5: Solve for x
    x = 412,797,780.10/23,396.15
  6. Step 6: Final answer
    x = 17,643.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.