Home / 13,364.36-18,441.68-7,396.04

Finding the Fourth Proportional to 13,364.36, 18,441.68 and 7,396.04

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Solution

The fourth proportional to 13,364.36, 18,441.68 and 7,396.04 is: 10,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.36 : 18,441.68 = 7,396.04 : x
  2. Step 2: Convert to fraction form
    13,364.36/18,441.68 = 7,396.04/x
  3. Step 3: Cross multiply
    13,364.36x = 18,441.68 × 7,396.04
  4. Step 4: Simplify right side
    13,364.36x = 136,395,402.95
  5. Step 5: Solve for x
    x = 136,395,402.95/13,364.36
  6. Step 6: Final answer
    x = 10,205.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.