Home / 26,777.58-40,179.69-11,997.06

Finding the Fourth Proportional to 26,777.58, 40,179.69 and 11,997.06

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Solution

The fourth proportional to 26,777.58, 40,179.69 and 11,997.06 is: 18,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,777.58 : 40,179.69 = 11,997.06 : x
  2. Step 2: Convert to fraction form
    26,777.58/40,179.69 = 11,997.06/x
  3. Step 3: Cross multiply
    26,777.58x = 40,179.69 × 11,997.06
  4. Step 4: Simplify right side
    26,777.58x = 482,038,151.71
  5. Step 5: Solve for x
    x = 482,038,151.71/26,777.58
  6. Step 6: Final answer
    x = 18,001.56

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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.