Home / 19,550.21-29,320.82-11,654.96

Finding the Fourth Proportional to 19,550.21, 29,320.82 and 11,654.96

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Solution

The fourth proportional to 19,550.21, 29,320.82 and 11,654.96 is: 17,479.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.21 : 29,320.82 = 11,654.96 : x
  2. Step 2: Convert to fraction form
    19,550.21/29,320.82 = 11,654.96/x
  3. Step 3: Cross multiply
    19,550.21x = 29,320.82 × 11,654.96
  4. Step 4: Simplify right side
    19,550.21x = 341,732,984.27
  5. Step 5: Solve for x
    x = 341,732,984.27/19,550.21
  6. Step 6: Final answer
    x = 17,479.76

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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.