Home / 18,406.96-25,371.27-13,022.44

Finding the Fourth Proportional to 18,406.96, 25,371.27 and 13,022.44

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Solution

The fourth proportional to 18,406.96, 25,371.27 and 13,022.44 is: 17,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.96 : 25,371.27 = 13,022.44 : x
  2. Step 2: Convert to fraction form
    18,406.96/25,371.27 = 13,022.44/x
  3. Step 3: Cross multiply
    18,406.96x = 25,371.27 × 13,022.44
  4. Step 4: Simplify right side
    18,406.96x = 330,395,841.30
  5. Step 5: Solve for x
    x = 330,395,841.30/18,406.96
  6. Step 6: Final answer
    x = 17,949.51

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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.