Home / 19,583.88-29,351.69-7,725.73

Finding the Fourth Proportional to 19,583.88, 29,351.69 and 7,725.73

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Solution

The fourth proportional to 19,583.88, 29,351.69 and 7,725.73 is: 11,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,583.88 : 29,351.69 = 7,725.73 : x
  2. Step 2: Convert to fraction form
    19,583.88/29,351.69 = 7,725.73/x
  3. Step 3: Cross multiply
    19,583.88x = 29,351.69 × 7,725.73
  4. Step 4: Simplify right side
    19,583.88x = 226,763,176.82
  5. Step 5: Solve for x
    x = 226,763,176.82/19,583.88
  6. Step 6: Final answer
    x = 11,579.07

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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.