Home / 25,171.50-34,736.79-13,993.50

Finding the Fourth Proportional to 25,171.50, 34,736.79 and 13,993.50

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Solution

The fourth proportional to 25,171.50, 34,736.79 and 13,993.50 is: 19,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,171.50 : 34,736.79 = 13,993.50 : x
  2. Step 2: Convert to fraction form
    25,171.50/34,736.79 = 13,993.50/x
  3. Step 3: Cross multiply
    25,171.50x = 34,736.79 × 13,993.50
  4. Step 4: Simplify right side
    25,171.50x = 486,089,270.87
  5. Step 5: Solve for x
    x = 486,089,270.87/25,171.50
  6. Step 6: Final answer
    x = 19,311.10

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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.