Home / 19,619.67-27,079.07-11,660.35

Finding the Fourth Proportional to 19,619.67, 27,079.07 and 11,660.35

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Solution

The fourth proportional to 19,619.67, 27,079.07 and 11,660.35 is: 16,093.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.67 : 27,079.07 = 11,660.35 : x
  2. Step 2: Convert to fraction form
    19,619.67/27,079.07 = 11,660.35/x
  3. Step 3: Cross multiply
    19,619.67x = 27,079.07 × 11,660.35
  4. Step 4: Simplify right side
    19,619.67x = 315,751,433.87
  5. Step 5: Solve for x
    x = 315,751,433.87/19,619.67
  6. Step 6: Final answer
    x = 16,093.62

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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.