Home / 25,212.20-37,824.37-7,680.96

Finding the Fourth Proportional to 25,212.20, 37,824.37 and 7,680.96

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Solution

The fourth proportional to 25,212.20, 37,824.37 and 7,680.96 is: 11,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,212.20 : 37,824.37 = 7,680.96 : x
  2. Step 2: Convert to fraction form
    25,212.20/37,824.37 = 7,680.96/x
  3. Step 3: Cross multiply
    25,212.20x = 37,824.37 × 7,680.96
  4. Step 4: Simplify right side
    25,212.20x = 290,527,453.79
  5. Step 5: Solve for x
    x = 290,527,453.79/25,212.20
  6. Step 6: Final answer
    x = 11,523.29

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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.