Home / 12,422.50-18,627.86-4,519.44

Finding the Fourth Proportional to 12,422.50, 18,627.86 and 4,519.44

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Solution

The fourth proportional to 12,422.50, 18,627.86 and 4,519.44 is: 6,777.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.50 : 18,627.86 = 4,519.44 : x
  2. Step 2: Convert to fraction form
    12,422.50/18,627.86 = 4,519.44/x
  3. Step 3: Cross multiply
    12,422.50x = 18,627.86 × 4,519.44
  4. Step 4: Simplify right side
    12,422.50x = 84,187,506.90
  5. Step 5: Solve for x
    x = 84,187,506.90/12,422.50
  6. Step 6: Final answer
    x = 6,777.02

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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.