Home / 13,956.88-19,260.49-7,669.66

Finding the Fourth Proportional to 13,956.88, 19,260.49 and 7,669.66

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Solution

The fourth proportional to 13,956.88, 19,260.49 and 7,669.66 is: 10,584.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.88 : 19,260.49 = 7,669.66 : x
  2. Step 2: Convert to fraction form
    13,956.88/19,260.49 = 7,669.66/x
  3. Step 3: Cross multiply
    13,956.88x = 19,260.49 × 7,669.66
  4. Step 4: Simplify right side
    13,956.88x = 147,721,409.73
  5. Step 5: Solve for x
    x = 147,721,409.73/13,956.88
  6. Step 6: Final answer
    x = 10,584.13

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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.