Home / 22,655.41-34,003.87-12,137.30

Finding the Fourth Proportional to 22,655.41, 34,003.87 and 12,137.30

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Solution

The fourth proportional to 22,655.41, 34,003.87 and 12,137.30 is: 18,217.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,655.41 : 34,003.87 = 12,137.30 : x
  2. Step 2: Convert to fraction form
    22,655.41/34,003.87 = 12,137.30/x
  3. Step 3: Cross multiply
    22,655.41x = 34,003.87 × 12,137.30
  4. Step 4: Simplify right side
    22,655.41x = 412,715,110.66
  5. Step 5: Solve for x
    x = 412,715,110.66/22,655.41
  6. Step 6: Final answer
    x = 18,217.07

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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.