Home / 23,023.38-31,771.96-12,951.80

Finding the Fourth Proportional to 23,023.38, 31,771.96 and 12,951.80

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Solution

The fourth proportional to 23,023.38, 31,771.96 and 12,951.80 is: 17,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,023.38 : 31,771.96 = 12,951.80 : x
  2. Step 2: Convert to fraction form
    23,023.38/31,771.96 = 12,951.80/x
  3. Step 3: Cross multiply
    23,023.38x = 31,771.96 × 12,951.80
  4. Step 4: Simplify right side
    23,023.38x = 411,503,912.67
  5. Step 5: Solve for x
    x = 411,503,912.67/23,023.38
  6. Step 6: Final answer
    x = 17,873.31

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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.