Home / 16,817.16-23,039.62-16,186.57

Finding the Fourth Proportional to 16,817.16, 23,039.62 and 16,186.57

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Solution

The fourth proportional to 16,817.16, 23,039.62 and 16,186.57 is: 22,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.16 : 23,039.62 = 16,186.57 : x
  2. Step 2: Convert to fraction form
    16,817.16/23,039.62 = 16,186.57/x
  3. Step 3: Cross multiply
    16,817.16x = 23,039.62 × 16,186.57
  4. Step 4: Simplify right side
    16,817.16x = 372,932,421.90
  5. Step 5: Solve for x
    x = 372,932,421.90/16,817.16
  6. Step 6: Final answer
    x = 22,175.71

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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.