Home / 16,699.20-25,077.60-16,180.80

Finding the Fourth Proportional to 16,699.20, 25,077.60 and 16,180.80

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Solution

The fourth proportional to 16,699.20, 25,077.60 and 16,180.80 is: 24,299.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,699.20 : 25,077.60 = 16,180.80 : x
  2. Step 2: Convert to fraction form
    16,699.20/25,077.60 = 16,180.80/x
  3. Step 3: Cross multiply
    16,699.20x = 25,077.60 × 16,180.80
  4. Step 4: Simplify right side
    16,699.20x = 405,775,630.08
  5. Step 5: Solve for x
    x = 405,775,630.08/16,699.20
  6. Step 6: Final answer
    x = 24,299.11

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1.5x scale

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.