Home / 20,023.11-27,629.64-11,069.37

Finding the Fourth Proportional to 20,023.11, 27,629.64 and 11,069.37

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Solution

The fourth proportional to 20,023.11, 27,629.64 and 11,069.37 is: 15,274.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.11 : 27,629.64 = 11,069.37 : x
  2. Step 2: Convert to fraction form
    20,023.11/27,629.64 = 11,069.37/x
  3. Step 3: Cross multiply
    20,023.11x = 27,629.64 × 11,069.37
  4. Step 4: Simplify right side
    20,023.11x = 305,842,708.13
  5. Step 5: Solve for x
    x = 305,842,708.13/20,023.11
  6. Step 6: Final answer
    x = 15,274.49

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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.