Home / 16,957.10-25,428.45-8,194.70

Finding the Fourth Proportional to 16,957.10, 25,428.45 and 8,194.70

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Solution

The fourth proportional to 16,957.10, 25,428.45 and 8,194.70 is: 12,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.10 : 25,428.45 = 8,194.70 : x
  2. Step 2: Convert to fraction form
    16,957.10/25,428.45 = 8,194.70/x
  3. Step 3: Cross multiply
    16,957.10x = 25,428.45 × 8,194.70
  4. Step 4: Simplify right side
    16,957.10x = 208,378,519.22
  5. Step 5: Solve for x
    x = 208,378,519.22/16,957.10
  6. Step 6: Final answer
    x = 12,288.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.