Home / 13,961.80-19,266.60-7,674.04

Finding the Fourth Proportional to 13,961.80, 19,266.60 and 7,674.04

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Solution

The fourth proportional to 13,961.80, 19,266.60 and 7,674.04 is: 10,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.80 : 19,266.60 = 7,674.04 : x
  2. Step 2: Convert to fraction form
    13,961.80/19,266.60 = 7,674.04/x
  3. Step 3: Cross multiply
    13,961.80x = 19,266.60 × 7,674.04
  4. Step 4: Simplify right side
    13,961.80x = 147,852,659.06
  5. Step 5: Solve for x
    x = 147,852,659.06/13,961.80
  6. Step 6: Final answer
    x = 10,589.80

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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.