Home / 18,156.44-27,187.14-11,896.76

Finding the Fourth Proportional to 18,156.44, 27,187.14 and 11,896.76

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Solution

The fourth proportional to 18,156.44, 27,187.14 and 11,896.76 is: 17,814.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.44 : 27,187.14 = 11,896.76 : x
  2. Step 2: Convert to fraction form
    18,156.44/27,187.14 = 11,896.76/x
  3. Step 3: Cross multiply
    18,156.44x = 27,187.14 × 11,896.76
  4. Step 4: Simplify right side
    18,156.44x = 323,438,879.67
  5. Step 5: Solve for x
    x = 323,438,879.67/18,156.44
  6. Step 6: Final answer
    x = 17,814.00

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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.