Home / 13,546.61-18,694.75-7,579.29

Finding the Fourth Proportional to 13,546.61, 18,694.75 and 7,579.29

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Solution

The fourth proportional to 13,546.61, 18,694.75 and 7,579.29 is: 10,459.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.61 : 18,694.75 = 7,579.29 : x
  2. Step 2: Convert to fraction form
    13,546.61/18,694.75 = 7,579.29/x
  3. Step 3: Cross multiply
    13,546.61x = 18,694.75 × 7,579.29
  4. Step 4: Simplify right side
    13,546.61x = 141,692,912.78
  5. Step 5: Solve for x
    x = 141,692,912.78/13,546.61
  6. Step 6: Final answer
    x = 10,459.66

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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.