Home / 18,544.84-25,591.26-10,991.24

Finding the Fourth Proportional to 18,544.84, 25,591.26 and 10,991.24

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Solution

The fourth proportional to 18,544.84, 25,591.26 and 10,991.24 is: 15,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,544.84 : 25,591.26 = 10,991.24 : x
  2. Step 2: Convert to fraction form
    18,544.84/25,591.26 = 10,991.24/x
  3. Step 3: Cross multiply
    18,544.84x = 25,591.26 × 10,991.24
  4. Step 4: Simplify right side
    18,544.84x = 281,279,680.56
  5. Step 5: Solve for x
    x = 281,279,680.56/18,544.84
  6. Step 6: Final answer
    x = 15,167.54

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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.