Home / 27,832.48-41,755.64-8,111.21

Finding the Fourth Proportional to 27,832.48, 41,755.64 and 8,111.21

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Solution

The fourth proportional to 27,832.48, 41,755.64 and 8,111.21 is: 12,168.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,832.48 : 41,755.64 = 8,111.21 : x
  2. Step 2: Convert to fraction form
    27,832.48/41,755.64 = 8,111.21/x
  3. Step 3: Cross multiply
    27,832.48x = 41,755.64 × 8,111.21
  4. Step 4: Simplify right side
    27,832.48x = 338,688,515.39
  5. Step 5: Solve for x
    x = 338,688,515.39/27,832.48
  6. Step 6: Final answer
    x = 12,168.82

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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.