Home / 18,060.77-27,091.87-5,579.69

Finding the Fourth Proportional to 18,060.77, 27,091.87 and 5,579.69

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Solution

The fourth proportional to 18,060.77, 27,091.87 and 5,579.69 is: 8,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,060.77 : 27,091.87 = 5,579.69 : x
  2. Step 2: Convert to fraction form
    18,060.77/27,091.87 = 5,579.69/x
  3. Step 3: Cross multiply
    18,060.77x = 27,091.87 × 5,579.69
  4. Step 4: Simplify right side
    18,060.77x = 151,164,086.71
  5. Step 5: Solve for x
    x = 151,164,086.71/18,060.77
  6. Step 6: Final answer
    x = 8,369.75

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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.