Home / 18,620.24-27,932.76-6,141.52

Finding the Fourth Proportional to 18,620.24, 27,932.76 and 6,141.52

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Solution

The fourth proportional to 18,620.24, 27,932.76 and 6,141.52 is: 9,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620.24 : 27,932.76 = 6,141.52 : x
  2. Step 2: Convert to fraction form
    18,620.24/27,932.76 = 6,141.52/x
  3. Step 3: Cross multiply
    18,620.24x = 27,932.76 × 6,141.52
  4. Step 4: Simplify right side
    18,620.24x = 171,549,604.20
  5. Step 5: Solve for x
    x = 171,549,604.20/18,620.24
  6. Step 6: Final answer
    x = 9,213.07

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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.