Home / 25,438.49-38,145.44-8,792.69

Finding the Fourth Proportional to 25,438.49, 38,145.44 and 8,792.69

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Solution

The fourth proportional to 25,438.49, 38,145.44 and 8,792.69 is: 13,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,438.49 : 38,145.44 = 8,792.69 : x
  2. Step 2: Convert to fraction form
    25,438.49/38,145.44 = 8,792.69/x
  3. Step 3: Cross multiply
    25,438.49x = 38,145.44 × 8,792.69
  4. Step 4: Simplify right side
    25,438.49x = 335,400,794.14
  5. Step 5: Solve for x
    x = 335,400,794.14/25,438.49
  6. Step 6: Final answer
    x = 13,184.78

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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.