Home / 20,213.10-27,896.13-11,262.06

Finding the Fourth Proportional to 20,213.10, 27,896.13 and 11,262.06

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Solution

The fourth proportional to 20,213.10, 27,896.13 and 11,262.06 is: 15,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.10 : 27,896.13 = 11,262.06 : x
  2. Step 2: Convert to fraction form
    20,213.10/27,896.13 = 11,262.06/x
  3. Step 3: Cross multiply
    20,213.10x = 27,896.13 × 11,262.06
  4. Step 4: Simplify right side
    20,213.10x = 314,167,889.83
  5. Step 5: Solve for x
    x = 314,167,889.83/20,213.10
  6. Step 6: Final answer
    x = 15,542.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.