Home / 20,014.78-27,619.05-11,062.30

Finding the Fourth Proportional to 20,014.78, 27,619.05 and 11,062.30

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Solution

The fourth proportional to 20,014.78, 27,619.05 and 11,062.30 is: 15,265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.78 : 27,619.05 = 11,062.30 : x
  2. Step 2: Convert to fraction form
    20,014.78/27,619.05 = 11,062.30/x
  3. Step 3: Cross multiply
    20,014.78x = 27,619.05 × 11,062.30
  4. Step 4: Simplify right side
    20,014.78x = 305,530,216.82
  5. Step 5: Solve for x
    x = 305,530,216.82/20,014.78
  6. Step 6: Final answer
    x = 15,265.23

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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.