Home / 13,107.88-19,667.09-4,788.46

Finding the Fourth Proportional to 13,107.88, 19,667.09 and 4,788.46

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Solution

The fourth proportional to 13,107.88, 19,667.09 and 4,788.46 is: 7,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.88 : 19,667.09 = 4,788.46 : x
  2. Step 2: Convert to fraction form
    13,107.88/19,667.09 = 4,788.46/x
  3. Step 3: Cross multiply
    13,107.88x = 19,667.09 × 4,788.46
  4. Step 4: Simplify right side
    13,107.88x = 94,175,073.78
  5. Step 5: Solve for x
    x = 94,175,073.78/13,107.88
  6. Step 6: Final answer
    x = 7,184.62

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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.