Home / 25,629.20-38,443.57-8,099.02

Finding the Fourth Proportional to 25,629.20, 38,443.57 and 8,099.02

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Solution

The fourth proportional to 25,629.20, 38,443.57 and 8,099.02 is: 12,148.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,629.20 : 38,443.57 = 8,099.02 : x
  2. Step 2: Convert to fraction form
    25,629.20/38,443.57 = 8,099.02/x
  3. Step 3: Cross multiply
    25,629.20x = 38,443.57 × 8,099.02
  4. Step 4: Simplify right side
    25,629.20x = 311,355,270.11
  5. Step 5: Solve for x
    x = 311,355,270.11/25,629.20
  6. Step 6: Final answer
    x = 12,148.46

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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.