Home / 27,490.20-41,235.30-12,694.74

Finding the Fourth Proportional to 27,490.20, 41,235.30 and 12,694.74

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Solution

The fourth proportional to 27,490.20, 41,235.30 and 12,694.74 is: 19,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,490.20 : 41,235.30 = 12,694.74 : x
  2. Step 2: Convert to fraction form
    27,490.20/41,235.30 = 12,694.74/x
  3. Step 3: Cross multiply
    27,490.20x = 41,235.30 × 12,694.74
  4. Step 4: Simplify right side
    27,490.20x = 523,471,412.32
  5. Step 5: Solve for x
    x = 523,471,412.32/27,490.20
  6. Step 6: Final answer
    x = 19,042.11

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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.