Home / 15,455.48-23,163.78-11,081.48

Finding the Fourth Proportional to 15,455.48, 23,163.78 and 11,081.48

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Solution

The fourth proportional to 15,455.48, 23,163.78 and 11,081.48 is: 16,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.48 : 23,163.78 = 11,081.48 : x
  2. Step 2: Convert to fraction form
    15,455.48/23,163.78 = 11,081.48/x
  3. Step 3: Cross multiply
    15,455.48x = 23,163.78 × 11,081.48
  4. Step 4: Simplify right side
    15,455.48x = 256,688,964.79
  5. Step 5: Solve for x
    x = 256,688,964.79/15,455.48
  6. Step 6: Final answer
    x = 16,608.28

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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.