Home / 18,227.56-25,153.41-11,153.98

Finding the Fourth Proportional to 18,227.56, 25,153.41 and 11,153.98

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Solution

The fourth proportional to 18,227.56, 25,153.41 and 11,153.98 is: 15,392.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.56 : 25,153.41 = 11,153.98 : x
  2. Step 2: Convert to fraction form
    18,227.56/25,153.41 = 11,153.98/x
  3. Step 3: Cross multiply
    18,227.56x = 25,153.41 × 11,153.98
  4. Step 4: Simplify right side
    18,227.56x = 280,560,632.07
  5. Step 5: Solve for x
    x = 280,560,632.07/18,227.56
  6. Step 6: Final answer
    x = 15,392.11

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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.