Home / 17,912.18-26,789.68-15,951.63

Finding the Fourth Proportional to 17,912.18, 26,789.68 and 15,951.63

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Solution

The fourth proportional to 17,912.18, 26,789.68 and 15,951.63 is: 23,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912.18 : 26,789.68 = 15,951.63 : x
  2. Step 2: Convert to fraction form
    17,912.18/26,789.68 = 15,951.63/x
  3. Step 3: Cross multiply
    17,912.18x = 26,789.68 × 15,951.63
  4. Step 4: Simplify right side
    17,912.18x = 427,338,983.42
  5. Step 5: Solve for x
    x = 427,338,983.42/17,912.18
  6. Step 6: Final answer
    x = 23,857.45

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1.5x scale

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.