Home / 20,022.14-27,631.51-11,069.48

Finding the Fourth Proportional to 20,022.14, 27,631.51 and 11,069.48

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Solution

The fourth proportional to 20,022.14, 27,631.51 and 11,069.48 is: 15,276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.14 : 27,631.51 = 11,069.48 : x
  2. Step 2: Convert to fraction form
    20,022.14/27,631.51 = 11,069.48/x
  3. Step 3: Cross multiply
    20,022.14x = 27,631.51 × 11,069.48
  4. Step 4: Simplify right side
    20,022.14x = 305,866,309.16
  5. Step 5: Solve for x
    x = 305,866,309.16/20,022.14
  6. Step 6: Final answer
    x = 15,276.41

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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.