Home / 16,817.29-23,039.79-16,186.70

Finding the Fourth Proportional to 16,817.29, 23,039.79 and 16,186.70

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Solution

The fourth proportional to 16,817.29, 23,039.79 and 16,186.70 is: 22,175.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.29 : 23,039.79 = 16,186.70 : x
  2. Step 2: Convert to fraction form
    16,817.29/23,039.79 = 16,186.70/x
  3. Step 3: Cross multiply
    16,817.29x = 23,039.79 × 16,186.70
  4. Step 4: Simplify right side
    16,817.29x = 372,938,165.69
  5. Step 5: Solve for x
    x = 372,938,165.69/16,817.29
  6. Step 6: Final answer
    x = 22,175.88

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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.