Home / 19,233.18-28,850.85-8,137.80

Finding the Fourth Proportional to 19,233.18, 28,850.85 and 8,137.80

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Solution

The fourth proportional to 19,233.18, 28,850.85 and 8,137.80 is: 12,207.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,233.18 : 28,850.85 = 8,137.80 : x
  2. Step 2: Convert to fraction form
    19,233.18/28,850.85 = 8,137.80/x
  3. Step 3: Cross multiply
    19,233.18x = 28,850.85 × 8,137.80
  4. Step 4: Simplify right side
    19,233.18x = 234,782,447.13
  5. Step 5: Solve for x
    x = 234,782,447.13/19,233.18
  6. Step 6: Final answer
    x = 12,207.16

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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.