Home / 26,625.12-39,943.56-7,906.68

Finding the Fourth Proportional to 26,625.12, 39,943.56 and 7,906.68

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Solution

The fourth proportional to 26,625.12, 39,943.56 and 7,906.68 is: 11,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,625.12 : 39,943.56 = 7,906.68 : x
  2. Step 2: Convert to fraction form
    26,625.12/39,943.56 = 7,906.68/x
  3. Step 3: Cross multiply
    26,625.12x = 39,943.56 × 7,906.68
  4. Step 4: Simplify right side
    26,625.12x = 315,820,946.98
  5. Step 5: Solve for x
    x = 315,820,946.98/26,625.12
  6. Step 6: Final answer
    x = 11,861.77

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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.