Home / 18,331.38-25,297.32-10,373.44

Finding the Fourth Proportional to 18,331.38, 25,297.32 and 10,373.44

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Solution

The fourth proportional to 18,331.38, 25,297.32 and 10,373.44 is: 14,315.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.38 : 25,297.32 = 10,373.44 : x
  2. Step 2: Convert to fraction form
    18,331.38/25,297.32 = 10,373.44/x
  3. Step 3: Cross multiply
    18,331.38x = 25,297.32 × 10,373.44
  4. Step 4: Simplify right side
    18,331.38x = 262,420,231.18
  5. Step 5: Solve for x
    x = 262,420,231.18/18,331.38
  6. Step 6: Final answer
    x = 14,315.36

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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.