Home / 15,163.44-20,925.58-8,791.26

Finding the Fourth Proportional to 15,163.44, 20,925.58 and 8,791.26

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Solution

The fourth proportional to 15,163.44, 20,925.58 and 8,791.26 is: 12,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,163.44 : 20,925.58 = 8,791.26 : x
  2. Step 2: Convert to fraction form
    15,163.44/20,925.58 = 8,791.26/x
  3. Step 3: Cross multiply
    15,163.44x = 20,925.58 × 8,791.26
  4. Step 4: Simplify right side
    15,163.44x = 183,962,214.43
  5. Step 5: Solve for x
    x = 183,962,214.43/15,163.44
  6. Step 6: Final answer
    x = 12,131.96

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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.