Home / 20,022.07-27,628.66-11,069.95

Finding the Fourth Proportional to 20,022.07, 27,628.66 and 11,069.95

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Solution

The fourth proportional to 20,022.07, 27,628.66 and 11,069.95 is: 15,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.07 : 27,628.66 = 11,069.95 : x
  2. Step 2: Convert to fraction form
    20,022.07/27,628.66 = 11,069.95/x
  3. Step 3: Cross multiply
    20,022.07x = 27,628.66 × 11,069.95
  4. Step 4: Simplify right side
    20,022.07x = 305,847,884.77
  5. Step 5: Solve for x
    x = 305,847,884.77/20,022.07
  6. Step 6: Final answer
    x = 15,275.54

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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.