Home / 13,596.26-18,745.43-8,807.94

Finding the Fourth Proportional to 13,596.26, 18,745.43 and 8,807.94

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Solution

The fourth proportional to 13,596.26, 18,745.43 and 8,807.94 is: 12,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.26 : 18,745.43 = 8,807.94 : x
  2. Step 2: Convert to fraction form
    13,596.26/18,745.43 = 8,807.94/x
  3. Step 3: Cross multiply
    13,596.26x = 18,745.43 × 8,807.94
  4. Step 4: Simplify right side
    13,596.26x = 165,108,578.67
  5. Step 5: Solve for x
    x = 165,108,578.67/13,596.26
  6. Step 6: Final answer
    x = 12,143.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.