Home / 22,999.35-31,736.25-13,310.47

Finding the Fourth Proportional to 22,999.35, 31,736.25 and 13,310.47

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Solution

The fourth proportional to 22,999.35, 31,736.25 and 13,310.47 is: 18,366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,999.35 : 31,736.25 = 13,310.47 : x
  2. Step 2: Convert to fraction form
    22,999.35/31,736.25 = 13,310.47/x
  3. Step 3: Cross multiply
    22,999.35x = 31,736.25 × 13,310.47
  4. Step 4: Simplify right side
    22,999.35x = 422,424,244.86
  5. Step 5: Solve for x
    x = 422,424,244.86/22,999.35
  6. Step 6: Final answer
    x = 18,366.79

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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.