Home / 13,713.87-20,558.49-4,946.73

Finding the Fourth Proportional to 13,713.87, 20,558.49 and 4,946.73

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Solution

The fourth proportional to 13,713.87, 20,558.49 and 4,946.73 is: 7,415.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.87 : 20,558.49 = 4,946.73 : x
  2. Step 2: Convert to fraction form
    13,713.87/20,558.49 = 4,946.73/x
  3. Step 3: Cross multiply
    13,713.87x = 20,558.49 × 4,946.73
  4. Step 4: Simplify right side
    13,713.87x = 101,697,350.63
  5. Step 5: Solve for x
    x = 101,697,350.63/13,713.87
  6. Step 6: Final answer
    x = 7,415.66

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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.