Home / 14,960.07-20,644.79-8,245.71

Finding the Fourth Proportional to 14,960.07, 20,644.79 and 8,245.71

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Solution

The fourth proportional to 14,960.07, 20,644.79 and 8,245.71 is: 11,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,960.07 : 20,644.79 = 8,245.71 : x
  2. Step 2: Convert to fraction form
    14,960.07/20,644.79 = 8,245.71/x
  3. Step 3: Cross multiply
    14,960.07x = 20,644.79 × 8,245.71
  4. Step 4: Simplify right side
    14,960.07x = 170,230,910.12
  5. Step 5: Solve for x
    x = 170,230,910.12/14,960.07
  6. Step 6: Final answer
    x = 11,379.02

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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.