Home / 14,635.80-20,197.20-8,348.28

Finding the Fourth Proportional to 14,635.80, 20,197.20 and 8,348.28

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Solution

The fourth proportional to 14,635.80, 20,197.20 and 8,348.28 is: 11,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.80 : 20,197.20 = 8,348.28 : x
  2. Step 2: Convert to fraction form
    14,635.80/20,197.20 = 8,348.28/x
  3. Step 3: Cross multiply
    14,635.80x = 20,197.20 × 8,348.28
  4. Step 4: Simplify right side
    14,635.80x = 168,611,880.82
  5. Step 5: Solve for x
    x = 168,611,880.82/14,635.80
  6. Step 6: Final answer
    x = 11,520.51

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1.5x scale

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.