Home / 27,776.25-41,664.38-6,999.75

Finding the Fourth Proportional to 27,776.25, 41,664.38 and 6,999.75

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Solution

The fourth proportional to 27,776.25, 41,664.38 and 6,999.75 is: 10,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,776.25 : 41,664.38 = 6,999.75 : x
  2. Step 2: Convert to fraction form
    27,776.25/41,664.38 = 6,999.75/x
  3. Step 3: Cross multiply
    27,776.25x = 41,664.38 × 6,999.75
  4. Step 4: Simplify right side
    27,776.25x = 291,640,208.91
  5. Step 5: Solve for x
    x = 291,640,208.91/27,776.25
  6. Step 6: Final answer
    x = 10,499.63

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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.