Home / 19,661.93-27,134.18-11,601.12

Finding the Fourth Proportional to 19,661.93, 27,134.18 and 11,601.12

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Solution

The fourth proportional to 19,661.93, 27,134.18 and 11,601.12 is: 16,009.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.93 : 27,134.18 = 11,601.12 : x
  2. Step 2: Convert to fraction form
    19,661.93/27,134.18 = 11,601.12/x
  3. Step 3: Cross multiply
    19,661.93x = 27,134.18 × 11,601.12
  4. Step 4: Simplify right side
    19,661.93x = 314,786,949.22
  5. Step 5: Solve for x
    x = 314,786,949.22/19,661.93
  6. Step 6: Final answer
    x = 16,009.97

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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.