Home / 20,059.28-27,679.57-11,104.54

Finding the Fourth Proportional to 20,059.28, 27,679.57 and 11,104.54

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Solution

The fourth proportional to 20,059.28, 27,679.57 and 11,104.54 is: 15,323.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,059.28 : 27,679.57 = 11,104.54 : x
  2. Step 2: Convert to fraction form
    20,059.28/27,679.57 = 11,104.54/x
  3. Step 3: Cross multiply
    20,059.28x = 27,679.57 × 11,104.54
  4. Step 4: Simplify right side
    20,059.28x = 307,368,795.29
  5. Step 5: Solve for x
    x = 307,368,795.29/20,059.28
  6. Step 6: Final answer
    x = 15,323.02

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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.