Home / 19,986.26-27,697.68-19,704.38

Finding the Fourth Proportional to 19,986.26, 27,697.68 and 19,704.38

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Solution

The fourth proportional to 19,986.26, 27,697.68 and 19,704.38 is: 27,307.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.26 : 27,697.68 = 19,704.38 : x
  2. Step 2: Convert to fraction form
    19,986.26/27,697.68 = 19,704.38/x
  3. Step 3: Cross multiply
    19,986.26x = 27,697.68 × 19,704.38
  4. Step 4: Simplify right side
    19,986.26x = 545,765,473.35
  5. Step 5: Solve for x
    x = 545,765,473.35/19,986.26
  6. Step 6: Final answer
    x = 27,307.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.