Home / 25,440.62-38,166.74-8,800.64

Finding the Fourth Proportional to 25,440.62, 38,166.74 and 8,800.64

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Solution

The fourth proportional to 25,440.62, 38,166.74 and 8,800.64 is: 13,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440.62 : 38,166.74 = 8,800.64 : x
  2. Step 2: Convert to fraction form
    25,440.62/38,166.74 = 8,800.64/x
  3. Step 3: Cross multiply
    25,440.62x = 38,166.74 × 8,800.64
  4. Step 4: Simplify right side
    25,440.62x = 335,891,738.71
  5. Step 5: Solve for x
    x = 335,891,738.71/25,440.62
  6. Step 6: Final answer
    x = 13,202.97

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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.