Home / 15,523.25-23,287.31-5,137.43

Finding the Fourth Proportional to 15,523.25, 23,287.31 and 5,137.43

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Solution

The fourth proportional to 15,523.25, 23,287.31 and 5,137.43 is: 7,706.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,523.25 : 23,287.31 = 5,137.43 : x
  2. Step 2: Convert to fraction form
    15,523.25/23,287.31 = 5,137.43/x
  3. Step 3: Cross multiply
    15,523.25x = 23,287.31 × 5,137.43
  4. Step 4: Simplify right side
    15,523.25x = 119,636,899.33
  5. Step 5: Solve for x
    x = 119,636,899.33/15,523.25
  6. Step 6: Final answer
    x = 7,706.95

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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.