Home / 20,174.54-27,841.53-11,100.27

Finding the Fourth Proportional to 20,174.54, 27,841.53 and 11,100.27

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Solution

The fourth proportional to 20,174.54, 27,841.53 and 11,100.27 is: 15,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.54 : 27,841.53 = 11,100.27 : x
  2. Step 2: Convert to fraction form
    20,174.54/27,841.53 = 11,100.27/x
  3. Step 3: Cross multiply
    20,174.54x = 27,841.53 × 11,100.27
  4. Step 4: Simplify right side
    20,174.54x = 309,048,500.21
  5. Step 5: Solve for x
    x = 309,048,500.21/20,174.54
  6. Step 6: Final answer
    x = 15,318.74

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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.