Home / 18,490.82-25,517.56-10,107.32

Finding the Fourth Proportional to 18,490.82, 25,517.56 and 10,107.32

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Solution

The fourth proportional to 18,490.82, 25,517.56 and 10,107.32 is: 13,948.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.82 : 25,517.56 = 10,107.32 : x
  2. Step 2: Convert to fraction form
    18,490.82/25,517.56 = 10,107.32/x
  3. Step 3: Cross multiply
    18,490.82x = 25,517.56 × 10,107.32
  4. Step 4: Simplify right side
    18,490.82x = 257,914,183.06
  5. Step 5: Solve for x
    x = 257,914,183.06/18,490.82
  6. Step 6: Final answer
    x = 13,948.23

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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.