Home / 13,114.98-19,669.38-3,754.86

Finding the Fourth Proportional to 13,114.98, 19,669.38 and 3,754.86

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Solution

The fourth proportional to 13,114.98, 19,669.38 and 3,754.86 is: 5,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.98 : 19,669.38 = 3,754.86 : x
  2. Step 2: Convert to fraction form
    13,114.98/19,669.38 = 3,754.86/x
  3. Step 3: Cross multiply
    13,114.98x = 19,669.38 × 3,754.86
  4. Step 4: Simplify right side
    13,114.98x = 73,855,768.19
  5. Step 5: Solve for x
    x = 73,855,768.19/13,114.98
  6. Step 6: Final answer
    x = 5,631.41

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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.