Home / 13,880.94-20,823.37-4,517.95

Finding the Fourth Proportional to 13,880.94, 20,823.37 and 4,517.95

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Solution

The fourth proportional to 13,880.94, 20,823.37 and 4,517.95 is: 6,777.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880.94 : 20,823.37 = 4,517.95 : x
  2. Step 2: Convert to fraction form
    13,880.94/20,823.37 = 4,517.95/x
  3. Step 3: Cross multiply
    13,880.94x = 20,823.37 × 4,517.95
  4. Step 4: Simplify right side
    13,880.94x = 94,078,881.14
  5. Step 5: Solve for x
    x = 94,078,881.14/13,880.94
  6. Step 6: Final answer
    x = 6,777.56

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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.