Home / 20,174.56-27,837.68-11,222.04

Finding the Fourth Proportional to 20,174.56, 27,837.68 and 11,222.04

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Solution

The fourth proportional to 20,174.56, 27,837.68 and 11,222.04 is: 15,484.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.56 : 27,837.68 = 11,222.04 : x
  2. Step 2: Convert to fraction form
    20,174.56/27,837.68 = 11,222.04/x
  3. Step 3: Cross multiply
    20,174.56x = 27,837.68 × 11,222.04
  4. Step 4: Simplify right side
    20,174.56x = 312,395,558.47
  5. Step 5: Solve for x
    x = 312,395,558.47/20,174.56
  6. Step 6: Final answer
    x = 15,484.63

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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.