Home / 17,672.20-24,374.94-11,378.56

Finding the Fourth Proportional to 17,672.20, 24,374.94 and 11,378.56

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Solution

The fourth proportional to 17,672.20, 24,374.94 and 11,378.56 is: 15,694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.20 : 24,374.94 = 11,378.56 : x
  2. Step 2: Convert to fraction form
    17,672.20/24,374.94 = 11,378.56/x
  3. Step 3: Cross multiply
    17,672.20x = 24,374.94 × 11,378.56
  4. Step 4: Simplify right side
    17,672.20x = 277,351,717.29
  5. Step 5: Solve for x
    x = 277,351,717.29/17,672.20
  6. Step 6: Final answer
    x = 15,694.24

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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.