Home / 12,755.26-19,131.81-4,433.86

Finding the Fourth Proportional to 12,755.26, 19,131.81 and 4,433.86

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Solution

The fourth proportional to 12,755.26, 19,131.81 and 4,433.86 is: 6,650.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.26 : 19,131.81 = 4,433.86 : x
  2. Step 2: Convert to fraction form
    12,755.26/19,131.81 = 4,433.86/x
  3. Step 3: Cross multiply
    12,755.26x = 19,131.81 × 4,433.86
  4. Step 4: Simplify right side
    12,755.26x = 84,827,767.09
  5. Step 5: Solve for x
    x = 84,827,767.09/12,755.26
  6. Step 6: Final answer
    x = 6,650.41

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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.