Home / 20,466.16-30,699.30-16,793.80

Finding the Fourth Proportional to 20,466.16, 30,699.30 and 16,793.80

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Solution

The fourth proportional to 20,466.16, 30,699.30 and 16,793.80 is: 25,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466.16 : 30,699.30 = 16,793.80 : x
  2. Step 2: Convert to fraction form
    20,466.16/30,699.30 = 16,793.80/x
  3. Step 3: Cross multiply
    20,466.16x = 30,699.30 × 16,793.80
  4. Step 4: Simplify right side
    20,466.16x = 515,557,904.34
  5. Step 5: Solve for x
    x = 515,557,904.34/20,466.16
  6. Step 6: Final answer
    x = 25,190.75

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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.