Home / 14,612.20-20,162.82-8,237.98

Finding the Fourth Proportional to 14,612.20, 20,162.82 and 8,237.98

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Solution

The fourth proportional to 14,612.20, 20,162.82 and 8,237.98 is: 11,367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.20 : 20,162.82 = 8,237.98 : x
  2. Step 2: Convert to fraction form
    14,612.20/20,162.82 = 8,237.98/x
  3. Step 3: Cross multiply
    14,612.20x = 20,162.82 × 8,237.98
  4. Step 4: Simplify right side
    14,612.20x = 166,100,907.90
  5. Step 5: Solve for x
    x = 166,100,907.90/14,612.20
  6. Step 6: Final answer
    x = 11,367.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.