Home / 19,624.86-27,072.79-11,661.44

Finding the Fourth Proportional to 19,624.86, 27,072.79 and 11,661.44

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Solution

The fourth proportional to 19,624.86, 27,072.79 and 11,661.44 is: 16,087.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,624.86 : 27,072.79 = 11,661.44 : x
  2. Step 2: Convert to fraction form
    19,624.86/27,072.79 = 11,661.44/x
  3. Step 3: Cross multiply
    19,624.86x = 27,072.79 × 11,661.44
  4. Step 4: Simplify right side
    19,624.86x = 315,707,551.70
  5. Step 5: Solve for x
    x = 315,707,551.70/19,624.86
  6. Step 6: Final answer
    x = 16,087.12

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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.