Home / 13,299.16-19,949.42-3,438.52

Finding the Fourth Proportional to 13,299.16, 19,949.42 and 3,438.52

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Solution

The fourth proportional to 13,299.16, 19,949.42 and 3,438.52 is: 5,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.16 : 19,949.42 = 3,438.52 : x
  2. Step 2: Convert to fraction form
    13,299.16/19,949.42 = 3,438.52/x
  3. Step 3: Cross multiply
    13,299.16x = 19,949.42 × 3,438.52
  4. Step 4: Simplify right side
    13,299.16x = 68,596,538.13
  5. Step 5: Solve for x
    x = 68,596,538.13/13,299.16
  6. Step 6: Final answer
    x = 5,157.96

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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.