Home / 13,083.82-19,699.39-11,533.78

Finding the Fourth Proportional to 13,083.82, 19,699.39 and 11,533.78

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Solution

The fourth proportional to 13,083.82, 19,699.39 and 11,533.78 is: 17,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.82 : 19,699.39 = 11,533.78 : x
  2. Step 2: Convert to fraction form
    13,083.82/19,699.39 = 11,533.78/x
  3. Step 3: Cross multiply
    13,083.82x = 19,699.39 × 11,533.78
  4. Step 4: Simplify right side
    13,083.82x = 227,208,430.39
  5. Step 5: Solve for x
    x = 227,208,430.39/13,083.82
  6. Step 6: Final answer
    x = 17,365.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.