Home / 19,308.86-28,914.27-16,180.64

Finding the Fourth Proportional to 19,308.86, 28,914.27 and 16,180.64

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Solution

The fourth proportional to 19,308.86, 28,914.27 and 16,180.64 is: 24,229.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308.86 : 28,914.27 = 16,180.64 : x
  2. Step 2: Convert to fraction form
    19,308.86/28,914.27 = 16,180.64/x
  3. Step 3: Cross multiply
    19,308.86x = 28,914.27 × 16,180.64
  4. Step 4: Simplify right side
    19,308.86x = 467,851,393.73
  5. Step 5: Solve for x
    x = 467,851,393.73/19,308.86
  6. Step 6: Final answer
    x = 24,229.88

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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.