Home / 19,653.64-29,481.91-5,614.85

Finding the Fourth Proportional to 19,653.64, 29,481.91 and 5,614.85

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Solution

The fourth proportional to 19,653.64, 29,481.91 and 5,614.85 is: 8,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.64 : 29,481.91 = 5,614.85 : x
  2. Step 2: Convert to fraction form
    19,653.64/29,481.91 = 5,614.85/x
  3. Step 3: Cross multiply
    19,653.64x = 29,481.91 × 5,614.85
  4. Step 4: Simplify right side
    19,653.64x = 165,536,562.03
  5. Step 5: Solve for x
    x = 165,536,562.03/19,653.64
  6. Step 6: Final answer
    x = 8,422.69

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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.