Home / 13,734.30-20,485.99-12,472.97

Finding the Fourth Proportional to 13,734.30, 20,485.99 and 12,472.97

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Solution

The fourth proportional to 13,734.30, 20,485.99 and 12,472.97 is: 18,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.30 : 20,485.99 = 12,472.97 : x
  2. Step 2: Convert to fraction form
    13,734.30/20,485.99 = 12,472.97/x
  3. Step 3: Cross multiply
    13,734.30x = 20,485.99 × 12,472.97
  4. Step 4: Simplify right side
    13,734.30x = 255,521,180.85
  5. Step 5: Solve for x
    x = 255,521,180.85/13,734.30
  6. Step 6: Final answer
    x = 18,604.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.