Home / 19,081.33-26,329.82-11,121.57

Finding the Fourth Proportional to 19,081.33, 26,329.82 and 11,121.57

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Solution

The fourth proportional to 19,081.33, 26,329.82 and 11,121.57 is: 15,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.33 : 26,329.82 = 11,121.57 : x
  2. Step 2: Convert to fraction form
    19,081.33/26,329.82 = 11,121.57/x
  3. Step 3: Cross multiply
    19,081.33x = 26,329.82 × 11,121.57
  4. Step 4: Simplify right side
    19,081.33x = 292,828,880.61
  5. Step 5: Solve for x
    x = 292,828,880.61/19,081.33
  6. Step 6: Final answer
    x = 15,346.36

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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.