Home / 19,383.35-26,745.82-11,427.11

Finding the Fourth Proportional to 19,383.35, 26,745.82 and 11,427.11

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Solution

The fourth proportional to 19,383.35, 26,745.82 and 11,427.11 is: 15,767.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383.35 : 26,745.82 = 11,427.11 : x
  2. Step 2: Convert to fraction form
    19,383.35/26,745.82 = 11,427.11/x
  3. Step 3: Cross multiply
    19,383.35x = 26,745.82 × 11,427.11
  4. Step 4: Simplify right side
    19,383.35x = 305,627,365.18
  5. Step 5: Solve for x
    x = 305,627,365.18/19,383.35
  6. Step 6: Final answer
    x = 15,767.52

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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.