Home / 19,660.70-29,464.32-11,335.52

Finding the Fourth Proportional to 19,660.70, 29,464.32 and 11,335.52

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Solution

The fourth proportional to 19,660.70, 29,464.32 and 11,335.52 is: 16,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.70 : 29,464.32 = 11,335.52 : x
  2. Step 2: Convert to fraction form
    19,660.70/29,464.32 = 11,335.52/x
  3. Step 3: Cross multiply
    19,660.70x = 29,464.32 × 11,335.52
  4. Step 4: Simplify right side
    19,660.70x = 333,993,388.65
  5. Step 5: Solve for x
    x = 333,993,388.65/19,660.70
  6. Step 6: Final answer
    x = 16,987.87

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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.