Home / 12,850.25-19,167.36-11,669.09

Finding the Fourth Proportional to 12,850.25, 19,167.36 and 11,669.09

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Solution

The fourth proportional to 12,850.25, 19,167.36 and 11,669.09 is: 17,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850.25 : 19,167.36 = 11,669.09 : x
  2. Step 2: Convert to fraction form
    12,850.25/19,167.36 = 11,669.09/x
  3. Step 3: Cross multiply
    12,850.25x = 19,167.36 × 11,669.09
  4. Step 4: Simplify right side
    12,850.25x = 223,665,509.31
  5. Step 5: Solve for x
    x = 223,665,509.31/12,850.25
  6. Step 6: Final answer
    x = 17,405.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.