Home / 13,665.08-20,494.38-3,804.68

Finding the Fourth Proportional to 13,665.08, 20,494.38 and 3,804.68

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Solution

The fourth proportional to 13,665.08, 20,494.38 and 3,804.68 is: 5,706.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665.08 : 20,494.38 = 3,804.68 : x
  2. Step 2: Convert to fraction form
    13,665.08/20,494.38 = 3,804.68/x
  3. Step 3: Cross multiply
    13,665.08x = 20,494.38 × 3,804.68
  4. Step 4: Simplify right side
    13,665.08x = 77,974,557.70
  5. Step 5: Solve for x
    x = 77,974,557.70/13,665.08
  6. Step 6: Final answer
    x = 5,706.12

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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.