Home / 13,711.94-20,552.43-12,604.34

Finding the Fourth Proportional to 13,711.94, 20,552.43 and 12,604.34

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Solution

The fourth proportional to 13,711.94, 20,552.43 and 12,604.34 is: 18,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.94 : 20,552.43 = 12,604.34 : x
  2. Step 2: Convert to fraction form
    13,711.94/20,552.43 = 12,604.34/x
  3. Step 3: Cross multiply
    13,711.94x = 20,552.43 × 12,604.34
  4. Step 4: Simplify right side
    13,711.94x = 259,049,815.55
  5. Step 5: Solve for x
    x = 259,049,815.55/13,711.94
  6. Step 6: Final answer
    x = 18,892.28

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1.5x scale

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.