Home / 19,747.72-27,254.82-11,362.60

Finding the Fourth Proportional to 19,747.72, 27,254.82 and 11,362.60

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Solution

The fourth proportional to 19,747.72, 27,254.82 and 11,362.60 is: 15,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,747.72 : 27,254.82 = 11,362.60 : x
  2. Step 2: Convert to fraction form
    19,747.72/27,254.82 = 11,362.60/x
  3. Step 3: Cross multiply
    19,747.72x = 27,254.82 × 11,362.60
  4. Step 4: Simplify right side
    19,747.72x = 309,685,617.73
  5. Step 5: Solve for x
    x = 309,685,617.73/19,747.72
  6. Step 6: Final answer
    x = 15,682.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.