Home / 17,171.93-23,519.69-16,163.21

Finding the Fourth Proportional to 17,171.93, 23,519.69 and 16,163.21

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Solution

The fourth proportional to 17,171.93, 23,519.69 and 16,163.21 is: 22,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,171.93 : 23,519.69 = 16,163.21 : x
  2. Step 2: Convert to fraction form
    17,171.93/23,519.69 = 16,163.21/x
  3. Step 3: Cross multiply
    17,171.93x = 23,519.69 × 16,163.21
  4. Step 4: Simplify right side
    17,171.93x = 380,153,688.60
  5. Step 5: Solve for x
    x = 380,153,688.60/17,171.93
  6. Step 6: Final answer
    x = 22,138.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.