Home / 13,091.29-19,625.31-4,769.75

Finding the Fourth Proportional to 13,091.29, 19,625.31 and 4,769.75

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Solution

The fourth proportional to 13,091.29, 19,625.31 and 4,769.75 is: 7,150.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.29 : 19,625.31 = 4,769.75 : x
  2. Step 2: Convert to fraction form
    13,091.29/19,625.31 = 4,769.75/x
  3. Step 3: Cross multiply
    13,091.29x = 19,625.31 × 4,769.75
  4. Step 4: Simplify right side
    13,091.29x = 93,607,822.37
  5. Step 5: Solve for x
    x = 93,607,822.37/13,091.29
  6. Step 6: Final answer
    x = 7,150.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.