Home / 15,137.25-22,708.37-5,279.41

Finding the Fourth Proportional to 15,137.25, 22,708.37 and 5,279.41

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Solution

The fourth proportional to 15,137.25, 22,708.37 and 5,279.41 is: 7,919.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,137.25 : 22,708.37 = 5,279.41 : x
  2. Step 2: Convert to fraction form
    15,137.25/22,708.37 = 5,279.41/x
  3. Step 3: Cross multiply
    15,137.25x = 22,708.37 × 5,279.41
  4. Step 4: Simplify right side
    15,137.25x = 119,886,795.66
  5. Step 5: Solve for x
    x = 119,886,795.66/15,137.25
  6. Step 6: Final answer
    x = 7,919.99

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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.