Home / 16,724.56-25,052.82-13,419.76

Finding the Fourth Proportional to 16,724.56, 25,052.82 and 13,419.76

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Solution

The fourth proportional to 16,724.56, 25,052.82 and 13,419.76 is: 20,102.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,724.56 : 25,052.82 = 13,419.76 : x
  2. Step 2: Convert to fraction form
    16,724.56/25,052.82 = 13,419.76/x
  3. Step 3: Cross multiply
    16,724.56x = 25,052.82 × 13,419.76
  4. Step 4: Simplify right side
    16,724.56x = 336,202,831.72
  5. Step 5: Solve for x
    x = 336,202,831.72/16,724.56
  6. Step 6: Final answer
    x = 20,102.34

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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.