Home / 15,828.26-23,716.11-11,138.46

Finding the Fourth Proportional to 15,828.26, 23,716.11 and 11,138.46

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Solution

The fourth proportional to 15,828.26, 23,716.11 and 11,138.46 is: 16,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,828.26 : 23,716.11 = 11,138.46 : x
  2. Step 2: Convert to fraction form
    15,828.26/23,716.11 = 11,138.46/x
  3. Step 3: Cross multiply
    15,828.26x = 23,716.11 × 11,138.46
  4. Step 4: Simplify right side
    15,828.26x = 264,160,942.59
  5. Step 5: Solve for x
    x = 264,160,942.59/15,828.26
  6. Step 6: Final answer
    x = 16,689.20

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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.