Home / 20,069.01-27,694.89-11,116.31

Finding the Fourth Proportional to 20,069.01, 27,694.89 and 11,116.31

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Solution

The fourth proportional to 20,069.01, 27,694.89 and 11,116.31 is: 15,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.01 : 27,694.89 = 11,116.31 : x
  2. Step 2: Convert to fraction form
    20,069.01/27,694.89 = 11,116.31/x
  3. Step 3: Cross multiply
    20,069.01x = 27,694.89 × 11,116.31
  4. Step 4: Simplify right side
    20,069.01x = 307,864,844.18
  5. Step 5: Solve for x
    x = 307,864,844.18/20,069.01
  6. Step 6: Final answer
    x = 15,340.31

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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.