Home / 20,012.16-27,616.38-11,059.47

Finding the Fourth Proportional to 20,012.16, 27,616.38 and 11,059.47

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Solution

The fourth proportional to 20,012.16, 27,616.38 and 11,059.47 is: 15,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012.16 : 27,616.38 = 11,059.47 : x
  2. Step 2: Convert to fraction form
    20,012.16/27,616.38 = 11,059.47/x
  3. Step 3: Cross multiply
    20,012.16x = 27,616.38 × 11,059.47
  4. Step 4: Simplify right side
    20,012.16x = 305,422,526.12
  5. Step 5: Solve for x
    x = 305,422,526.12/20,012.16
  6. Step 6: Final answer
    x = 15,261.85

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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.