Home / 23,120.83-34,672.74-8,325.78

Finding the Fourth Proportional to 23,120.83, 34,672.74 and 8,325.78

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Solution

The fourth proportional to 23,120.83, 34,672.74 and 8,325.78 is: 12,485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120.83 : 34,672.74 = 8,325.78 : x
  2. Step 2: Convert to fraction form
    23,120.83/34,672.74 = 8,325.78/x
  3. Step 3: Cross multiply
    23,120.83x = 34,672.74 × 8,325.78
  4. Step 4: Simplify right side
    23,120.83x = 288,677,605.24
  5. Step 5: Solve for x
    x = 288,677,605.24/23,120.83
  6. Step 6: Final answer
    x = 12,485.61

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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.