Home / 13,661.17-18,824.70-10,474.54

Finding the Fourth Proportional to 13,661.17, 18,824.70 and 10,474.54

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Solution

The fourth proportional to 13,661.17, 18,824.70 and 10,474.54 is: 14,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661.17 : 18,824.70 = 10,474.54 : x
  2. Step 2: Convert to fraction form
    13,661.17/18,824.70 = 10,474.54/x
  3. Step 3: Cross multiply
    13,661.17x = 18,824.70 × 10,474.54
  4. Step 4: Simplify right side
    13,661.17x = 197,180,073.14
  5. Step 5: Solve for x
    x = 197,180,073.14/13,661.17
  6. Step 6: Final answer
    x = 14,433.62

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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.