Home / 18,297.20-25,240.68-10,738.48

Finding the Fourth Proportional to 18,297.20, 25,240.68 and 10,738.48

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Solution

The fourth proportional to 18,297.20, 25,240.68 and 10,738.48 is: 14,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.20 : 25,240.68 = 10,738.48 : x
  2. Step 2: Convert to fraction form
    18,297.20/25,240.68 = 10,738.48/x
  3. Step 3: Cross multiply
    18,297.20x = 25,240.68 × 10,738.48
  4. Step 4: Simplify right side
    18,297.20x = 271,046,537.37
  5. Step 5: Solve for x
    x = 271,046,537.37/18,297.20
  6. Step 6: Final answer
    x = 14,813.55

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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.