Home / 26,631.97-39,909.88-19,556.47

Finding the Fourth Proportional to 26,631.97, 39,909.88 and 19,556.47

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Solution

The fourth proportional to 26,631.97, 39,909.88 and 19,556.47 is: 29,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.97 : 39,909.88 = 19,556.47 : x
  2. Step 2: Convert to fraction form
    26,631.97/39,909.88 = 19,556.47/x
  3. Step 3: Cross multiply
    26,631.97x = 39,909.88 × 19,556.47
  4. Step 4: Simplify right side
    26,631.97x = 780,496,370.92
  5. Step 5: Solve for x
    x = 780,496,370.92/26,631.97
  6. Step 6: Final answer
    x = 29,306.75

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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.