Home / 20,023.20-27,629.58-11,069.46

Finding the Fourth Proportional to 20,023.20, 27,629.58 and 11,069.46

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Solution

The fourth proportional to 20,023.20, 27,629.58 and 11,069.46 is: 15,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.20 : 27,629.58 = 11,069.46 : x
  2. Step 2: Convert to fraction form
    20,023.20/27,629.58 = 11,069.46/x
  3. Step 3: Cross multiply
    20,023.20x = 27,629.58 × 11,069.46
  4. Step 4: Simplify right side
    20,023.20x = 305,844,530.63
  5. Step 5: Solve for x
    x = 305,844,530.63/20,023.20
  6. Step 6: Final answer
    x = 15,274.51

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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.