Home / 18,381.42-27,573.17-5,232.75

Finding the Fourth Proportional to 18,381.42, 27,573.17 and 5,232.75

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Solution

The fourth proportional to 18,381.42, 27,573.17 and 5,232.75 is: 7,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381.42 : 27,573.17 = 5,232.75 : x
  2. Step 2: Convert to fraction form
    18,381.42/27,573.17 = 5,232.75/x
  3. Step 3: Cross multiply
    18,381.42x = 27,573.17 × 5,232.75
  4. Step 4: Simplify right side
    18,381.42x = 144,283,479.15
  5. Step 5: Solve for x
    x = 144,283,479.15/18,381.42
  6. Step 6: Final answer
    x = 7,849.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.