Home / 15,456.77-23,149.10-11,286.43

Finding the Fourth Proportional to 15,456.77, 23,149.10 and 11,286.43

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Solution

The fourth proportional to 15,456.77, 23,149.10 and 11,286.43 is: 16,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.77 : 23,149.10 = 11,286.43 : x
  2. Step 2: Convert to fraction form
    15,456.77/23,149.10 = 11,286.43/x
  3. Step 3: Cross multiply
    15,456.77x = 23,149.10 × 11,286.43
  4. Step 4: Simplify right side
    15,456.77x = 261,270,696.71
  5. Step 5: Solve for x
    x = 261,270,696.71/15,456.77
  6. Step 6: Final answer
    x = 16,903.32

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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.