Home / 20,100.44-27,735.28-11,146.52

Finding the Fourth Proportional to 20,100.44, 27,735.28 and 11,146.52

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Solution

The fourth proportional to 20,100.44, 27,735.28 and 11,146.52 is: 15,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100.44 : 27,735.28 = 11,146.52 : x
  2. Step 2: Convert to fraction form
    20,100.44/27,735.28 = 11,146.52/x
  3. Step 3: Cross multiply
    20,100.44x = 27,735.28 × 11,146.52
  4. Step 4: Simplify right side
    20,100.44x = 309,151,686.68
  5. Step 5: Solve for x
    x = 309,151,686.68/20,100.44
  6. Step 6: Final answer
    x = 15,380.35

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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.