Home / 13,245.84-19,859.58-11,179.26

Finding the Fourth Proportional to 13,245.84, 19,859.58 and 11,179.26

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Solution

The fourth proportional to 13,245.84, 19,859.58 and 11,179.26 is: 16,761.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.84 : 19,859.58 = 11,179.26 : x
  2. Step 2: Convert to fraction form
    13,245.84/19,859.58 = 11,179.26/x
  3. Step 3: Cross multiply
    13,245.84x = 19,859.58 × 11,179.26
  4. Step 4: Simplify right side
    13,245.84x = 222,015,408.31
  5. Step 5: Solve for x
    x = 222,015,408.31/13,245.84
  6. Step 6: Final answer
    x = 16,761.14

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1.5x scale

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.