Home / 20,069.19-27,694.31-11,116.13

Finding the Fourth Proportional to 20,069.19, 27,694.31 and 11,116.13

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Solution

The fourth proportional to 20,069.19, 27,694.31 and 11,116.13 is: 15,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.19 : 27,694.31 = 11,116.13 : x
  2. Step 2: Convert to fraction form
    20,069.19/27,694.31 = 11,116.13/x
  3. Step 3: Cross multiply
    20,069.19x = 27,694.31 × 11,116.13
  4. Step 4: Simplify right side
    20,069.19x = 307,853,356.17
  5. Step 5: Solve for x
    x = 307,853,356.17/20,069.19
  6. Step 6: Final answer
    x = 15,339.60

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Double scale
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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.