Home / 19,628.24-27,078.03-11,665.94

Finding the Fourth Proportional to 19,628.24, 27,078.03 and 11,665.94

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Solution

The fourth proportional to 19,628.24, 27,078.03 and 11,665.94 is: 16,093.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.24 : 27,078.03 = 11,665.94 : x
  2. Step 2: Convert to fraction form
    19,628.24/27,078.03 = 11,665.94/x
  3. Step 3: Cross multiply
    19,628.24x = 27,078.03 × 11,665.94
  4. Step 4: Simplify right side
    19,628.24x = 315,890,537.91
  5. Step 5: Solve for x
    x = 315,890,537.91/19,628.24
  6. Step 6: Final answer
    x = 16,093.68

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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.