Home / 13,012.53-19,519.94-3,652.62

Finding the Fourth Proportional to 13,012.53, 19,519.94 and 3,652.62

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Solution

The fourth proportional to 13,012.53, 19,519.94 and 3,652.62 is: 5,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.53 : 19,519.94 = 3,652.62 : x
  2. Step 2: Convert to fraction form
    13,012.53/19,519.94 = 3,652.62/x
  3. Step 3: Cross multiply
    13,012.53x = 19,519.94 × 3,652.62
  4. Step 4: Simplify right side
    13,012.53x = 71,298,923.24
  5. Step 5: Solve for x
    x = 71,298,923.24/13,012.53
  6. Step 6: Final answer
    x = 5,479.25

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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.