Home / 25,143.53-37,719.36-8,504.55

Finding the Fourth Proportional to 25,143.53, 37,719.36 and 8,504.55

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Solution

The fourth proportional to 25,143.53, 37,719.36 and 8,504.55 is: 12,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.53 : 37,719.36 = 8,504.55 : x
  2. Step 2: Convert to fraction form
    25,143.53/37,719.36 = 8,504.55/x
  3. Step 3: Cross multiply
    25,143.53x = 37,719.36 × 8,504.55
  4. Step 4: Simplify right side
    25,143.53x = 320,786,183.09
  5. Step 5: Solve for x
    x = 320,786,183.09/25,143.53
  6. Step 6: Final answer
    x = 12,758.20

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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.