Home / 18,588.82-27,876.30-7,491.76

Finding the Fourth Proportional to 18,588.82, 27,876.30 and 7,491.76

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Solution

The fourth proportional to 18,588.82, 27,876.30 and 7,491.76 is: 11,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.82 : 27,876.30 = 7,491.76 : x
  2. Step 2: Convert to fraction form
    18,588.82/27,876.30 = 7,491.76/x
  3. Step 3: Cross multiply
    18,588.82x = 27,876.30 × 7,491.76
  4. Step 4: Simplify right side
    18,588.82x = 208,842,549.29
  5. Step 5: Solve for x
    x = 208,842,549.29/18,588.82
  6. Step 6: Final answer
    x = 11,234.85

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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.