Home / 19,842.62-27,383.34-10,890.44

Finding the Fourth Proportional to 19,842.62, 27,383.34 and 10,890.44

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Solution

The fourth proportional to 19,842.62, 27,383.34 and 10,890.44 is: 15,029.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.62 : 27,383.34 = 10,890.44 : x
  2. Step 2: Convert to fraction form
    19,842.62/27,383.34 = 10,890.44/x
  3. Step 3: Cross multiply
    19,842.62x = 27,383.34 × 10,890.44
  4. Step 4: Simplify right side
    19,842.62x = 298,216,484.35
  5. Step 5: Solve for x
    x = 298,216,484.35/19,842.62
  6. Step 6: Final answer
    x = 15,029.09

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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.