Home / 14,841.90-20,481.78-8,127.95

Finding the Fourth Proportional to 14,841.90, 20,481.78 and 8,127.95

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Solution

The fourth proportional to 14,841.90, 20,481.78 and 8,127.95 is: 11,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,841.90 : 20,481.78 = 8,127.95 : x
  2. Step 2: Convert to fraction form
    14,841.90/20,481.78 = 8,127.95/x
  3. Step 3: Cross multiply
    14,841.90x = 20,481.78 × 8,127.95
  4. Step 4: Simplify right side
    14,841.90x = 166,474,766.10
  5. Step 5: Solve for x
    x = 166,474,766.10/14,841.90
  6. Step 6: Final answer
    x = 11,216.54

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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.