Home / 23,138.96-34,704.05-11,280.83

Finding the Fourth Proportional to 23,138.96, 34,704.05 and 11,280.83

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Solution

The fourth proportional to 23,138.96, 34,704.05 and 11,280.83 is: 16,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.96 : 34,704.05 = 11,280.83 : x
  2. Step 2: Convert to fraction form
    23,138.96/34,704.05 = 11,280.83/x
  3. Step 3: Cross multiply
    23,138.96x = 34,704.05 × 11,280.83
  4. Step 4: Simplify right side
    23,138.96x = 391,490,258.44
  5. Step 5: Solve for x
    x = 391,490,258.44/23,138.96
  6. Step 6: Final answer
    x = 16,919.10

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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.