Home / 14,951.25-20,633.67-8,236.89

Finding the Fourth Proportional to 14,951.25, 20,633.67 and 8,236.89

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Solution

The fourth proportional to 14,951.25, 20,633.67 and 8,236.89 is: 11,367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.25 : 20,633.67 = 8,236.89 : x
  2. Step 2: Convert to fraction form
    14,951.25/20,633.67 = 8,236.89/x
  3. Step 3: Cross multiply
    14,951.25x = 20,633.67 × 8,236.89
  4. Step 4: Simplify right side
    14,951.25x = 169,957,270.09
  5. Step 5: Solve for x
    x = 169,957,270.09/14,951.25
  6. Step 6: Final answer
    x = 11,367.43

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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.