Home / 15,499.68-23,246.28-5,109

Finding the Fourth Proportional to 15,499.68, 23,246.28 and 5,109

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Solution

The fourth proportional to 15,499.68, 23,246.28 and 5,109 is: 7,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499.68 : 23,246.28 = 5,109 : x
  2. Step 2: Convert to fraction form
    15,499.68/23,246.28 = 5,109/x
  3. Step 3: Cross multiply
    15,499.68x = 23,246.28 × 5,109
  4. Step 4: Simplify right side
    15,499.68x = 118,765,244.52
  5. Step 5: Solve for x
    x = 118,765,244.52/15,499.68
  6. Step 6: Final answer
    x = 7,662.43

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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.