Home / 26,155.14-39,234.36-8,625.12

Finding the Fourth Proportional to 26,155.14, 39,234.36 and 8,625.12

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Solution

The fourth proportional to 26,155.14, 39,234.36 and 8,625.12 is: 12,938.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,155.14 : 39,234.36 = 8,625.12 : x
  2. Step 2: Convert to fraction form
    26,155.14/39,234.36 = 8,625.12/x
  3. Step 3: Cross multiply
    26,155.14x = 39,234.36 × 8,625.12
  4. Step 4: Simplify right side
    26,155.14x = 338,401,063.12
  5. Step 5: Solve for x
    x = 338,401,063.12/26,155.14
  6. Step 6: Final answer
    x = 12,938.22

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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.