Home / 19,933.39-27,511.94-11,440.54

Finding the Fourth Proportional to 19,933.39, 27,511.94 and 11,440.54

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Solution

The fourth proportional to 19,933.39, 27,511.94 and 11,440.54 is: 15,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.39 : 27,511.94 = 11,440.54 : x
  2. Step 2: Convert to fraction form
    19,933.39/27,511.94 = 11,440.54/x
  3. Step 3: Cross multiply
    19,933.39x = 27,511.94 × 11,440.54
  4. Step 4: Simplify right side
    19,933.39x = 314,751,255.29
  5. Step 5: Solve for x
    x = 314,751,255.29/19,933.39
  6. Step 6: Final answer
    x = 15,790.16

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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.