Home / 19,908.10-29,906.70-16,627.60

Finding the Fourth Proportional to 19,908.10, 29,906.70 and 16,627.60

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Solution

The fourth proportional to 19,908.10, 29,906.70 and 16,627.60 is: 24,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.10 : 29,906.70 = 16,627.60 : x
  2. Step 2: Convert to fraction form
    19,908.10/29,906.70 = 16,627.60/x
  3. Step 3: Cross multiply
    19,908.10x = 29,906.70 × 16,627.60
  4. Step 4: Simplify right side
    19,908.10x = 497,276,644.92
  5. Step 5: Solve for x
    x = 497,276,644.92/19,908.10
  6. Step 6: Final answer
    x = 24,978.61

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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.