Home / 22,836.33-31,524.39-13,405.50

Finding the Fourth Proportional to 22,836.33, 31,524.39 and 13,405.50

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Solution

The fourth proportional to 22,836.33, 31,524.39 and 13,405.50 is: 18,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,836.33 : 31,524.39 = 13,405.50 : x
  2. Step 2: Convert to fraction form
    22,836.33/31,524.39 = 13,405.50/x
  3. Step 3: Cross multiply
    22,836.33x = 31,524.39 × 13,405.50
  4. Step 4: Simplify right side
    22,836.33x = 422,600,210.15
  5. Step 5: Solve for x
    x = 422,600,210.15/22,836.33
  6. Step 6: Final answer
    x = 18,505.61

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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.