Home / 18,398.44-25,395.30-11,231.08

Finding the Fourth Proportional to 18,398.44, 25,395.30 and 11,231.08

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Solution

The fourth proportional to 18,398.44, 25,395.30 and 11,231.08 is: 15,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398.44 : 25,395.30 = 11,231.08 : x
  2. Step 2: Convert to fraction form
    18,398.44/25,395.30 = 11,231.08/x
  3. Step 3: Cross multiply
    18,398.44x = 25,395.30 × 11,231.08
  4. Step 4: Simplify right side
    18,398.44x = 285,216,645.92
  5. Step 5: Solve for x
    x = 285,216,645.92/18,398.44
  6. Step 6: Final answer
    x = 15,502.22

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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.