Home / 18,984.29-26,200.53-15,791.94

Finding the Fourth Proportional to 18,984.29, 26,200.53 and 15,791.94

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Solution

The fourth proportional to 18,984.29, 26,200.53 and 15,791.94 is: 21,794.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.29 : 26,200.53 = 15,791.94 : x
  2. Step 2: Convert to fraction form
    18,984.29/26,200.53 = 15,791.94/x
  3. Step 3: Cross multiply
    18,984.29x = 26,200.53 × 15,791.94
  4. Step 4: Simplify right side
    18,984.29x = 413,757,197.73
  5. Step 5: Solve for x
    x = 413,757,197.73/18,984.29
  6. Step 6: Final answer
    x = 21,794.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.