Home / 19,626.39-27,083.84-11,129.33

Finding the Fourth Proportional to 19,626.39, 27,083.84 and 11,129.33

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Solution

The fourth proportional to 19,626.39, 27,083.84 and 11,129.33 is: 15,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,626.39 : 27,083.84 = 11,129.33 : x
  2. Step 2: Convert to fraction form
    19,626.39/27,083.84 = 11,129.33/x
  3. Step 3: Cross multiply
    19,626.39x = 27,083.84 × 11,129.33
  4. Step 4: Simplify right side
    19,626.39x = 301,424,801.96
  5. Step 5: Solve for x
    x = 301,424,801.96/19,626.39
  6. Step 6: Final answer
    x = 15,358.14

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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.