Home / 13,961.88-19,267.40-7,674.66

Finding the Fourth Proportional to 13,961.88, 19,267.40 and 7,674.66

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Solution

The fourth proportional to 13,961.88, 19,267.40 and 7,674.66 is: 10,591.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.88 : 19,267.40 = 7,674.66 : x
  2. Step 2: Convert to fraction form
    13,961.88/19,267.40 = 7,674.66/x
  3. Step 3: Cross multiply
    13,961.88x = 19,267.40 × 7,674.66
  4. Step 4: Simplify right side
    13,961.88x = 147,870,744.08
  5. Step 5: Solve for x
    x = 147,870,744.08/13,961.88
  6. Step 6: Final answer
    x = 10,591.03

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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.