Home / 19,953.36-29,876.46-11,163.24

Finding the Fourth Proportional to 19,953.36, 29,876.46 and 11,163.24

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Solution

The fourth proportional to 19,953.36, 29,876.46 and 11,163.24 is: 16,714.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.36 : 29,876.46 = 11,163.24 : x
  2. Step 2: Convert to fraction form
    19,953.36/29,876.46 = 11,163.24/x
  3. Step 3: Cross multiply
    19,953.36x = 29,876.46 × 11,163.24
  4. Step 4: Simplify right side
    19,953.36x = 333,518,093.33
  5. Step 5: Solve for x
    x = 333,518,093.33/19,953.36
  6. Step 6: Final answer
    x = 16,714.88

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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.