Home / 25,621.05-38,428.34-8,092.65

Finding the Fourth Proportional to 25,621.05, 38,428.34 and 8,092.65

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Solution

The fourth proportional to 25,621.05, 38,428.34 and 8,092.65 is: 12,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,621.05 : 38,428.34 = 8,092.65 : x
  2. Step 2: Convert to fraction form
    25,621.05/38,428.34 = 8,092.65/x
  3. Step 3: Cross multiply
    25,621.05x = 38,428.34 × 8,092.65
  4. Step 4: Simplify right side
    25,621.05x = 310,987,065.24
  5. Step 5: Solve for x
    x = 310,987,065.24/25,621.05
  6. Step 6: Final answer
    x = 12,137.95

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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.