Home / 14,657.39-20,227.21-7,942.95

Finding the Fourth Proportional to 14,657.39, 20,227.21 and 7,942.95

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Solution

The fourth proportional to 14,657.39, 20,227.21 and 7,942.95 is: 10,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,657.39 : 20,227.21 = 7,942.95 : x
  2. Step 2: Convert to fraction form
    14,657.39/20,227.21 = 7,942.95/x
  3. Step 3: Cross multiply
    14,657.39x = 20,227.21 × 7,942.95
  4. Step 4: Simplify right side
    14,657.39x = 160,663,773.05
  5. Step 5: Solve for x
    x = 160,663,773.05/14,657.39
  6. Step 6: Final answer
    x = 10,961.28

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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.