Home / 14,414.16-21,630.96-5,647.98

Finding the Fourth Proportional to 14,414.16, 21,630.96 and 5,647.98

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Solution

The fourth proportional to 14,414.16, 21,630.96 and 5,647.98 is: 8,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,414.16 : 21,630.96 = 5,647.98 : x
  2. Step 2: Convert to fraction form
    14,414.16/21,630.96 = 5,647.98/x
  3. Step 3: Cross multiply
    14,414.16x = 21,630.96 × 5,647.98
  4. Step 4: Simplify right side
    14,414.16x = 122,171,229.46
  5. Step 5: Solve for x
    x = 122,171,229.46/14,414.16
  6. Step 6: Final answer
    x = 8,475.78

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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.