Home / 13,095.72-19,589.58-8,408.52

Finding the Fourth Proportional to 13,095.72, 19,589.58 and 8,408.52

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Solution

The fourth proportional to 13,095.72, 19,589.58 and 8,408.52 is: 12,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.72 : 19,589.58 = 8,408.52 : x
  2. Step 2: Convert to fraction form
    13,095.72/19,589.58 = 8,408.52/x
  3. Step 3: Cross multiply
    13,095.72x = 19,589.58 × 8,408.52
  4. Step 4: Simplify right side
    13,095.72x = 164,719,375.22
  5. Step 5: Solve for x
    x = 164,719,375.22/13,095.72
  6. Step 6: Final answer
    x = 12,578.11

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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.