Home / 13,114.96-19,669.44-3,754.80

Finding the Fourth Proportional to 13,114.96, 19,669.44 and 3,754.80

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Solution

The fourth proportional to 13,114.96, 19,669.44 and 3,754.80 is: 5,631.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.96 : 19,669.44 = 3,754.80 : x
  2. Step 2: Convert to fraction form
    13,114.96/19,669.44 = 3,754.80/x
  3. Step 3: Cross multiply
    13,114.96x = 19,669.44 × 3,754.80
  4. Step 4: Simplify right side
    13,114.96x = 73,854,813.31
  5. Step 5: Solve for x
    x = 73,854,813.31/13,114.96
  6. Step 6: Final answer
    x = 5,631.34

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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.