Home / 23,378.62-35,078.20-12,282.72

Finding the Fourth Proportional to 23,378.62, 35,078.20 and 12,282.72

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Solution

The fourth proportional to 23,378.62, 35,078.20 and 12,282.72 is: 18,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,378.62 : 35,078.20 = 12,282.72 : x
  2. Step 2: Convert to fraction form
    23,378.62/35,078.20 = 12,282.72/x
  3. Step 3: Cross multiply
    23,378.62x = 35,078.20 × 12,282.72
  4. Step 4: Simplify right side
    23,378.62x = 430,855,708.70
  5. Step 5: Solve for x
    x = 430,855,708.70/23,378.62
  6. Step 6: Final answer
    x = 18,429.48

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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.