Home / 15,131.19-22,696.79-4,743.75

Finding the Fourth Proportional to 15,131.19, 22,696.79 and 4,743.75

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Solution

The fourth proportional to 15,131.19, 22,696.79 and 4,743.75 is: 7,115.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131.19 : 22,696.79 = 4,743.75 : x
  2. Step 2: Convert to fraction form
    15,131.19/22,696.79 = 4,743.75/x
  3. Step 3: Cross multiply
    15,131.19x = 22,696.79 × 4,743.75
  4. Step 4: Simplify right side
    15,131.19x = 107,667,873.84
  5. Step 5: Solve for x
    x = 107,667,873.84/15,131.19
  6. Step 6: Final answer
    x = 7,115.63

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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.