Home / 20,015.09-27,620.55-11,062.36

Finding the Fourth Proportional to 20,015.09, 27,620.55 and 11,062.36

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Solution

The fourth proportional to 20,015.09, 27,620.55 and 11,062.36 is: 15,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.09 : 27,620.55 = 11,062.36 : x
  2. Step 2: Convert to fraction form
    20,015.09/27,620.55 = 11,062.36/x
  3. Step 3: Cross multiply
    20,015.09x = 27,620.55 × 11,062.36
  4. Step 4: Simplify right side
    20,015.09x = 305,548,467.50
  5. Step 5: Solve for x
    x = 305,548,467.50/20,015.09
  6. Step 6: Final answer
    x = 15,265.91

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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.