Home / 29,105.62-43,621.93-12,446.10

Finding the Fourth Proportional to 29,105.62, 43,621.93 and 12,446.10

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Solution

The fourth proportional to 29,105.62, 43,621.93 and 12,446.10 is: 18,653.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,105.62 : 43,621.93 = 12,446.10 : x
  2. Step 2: Convert to fraction form
    29,105.62/43,621.93 = 12,446.10/x
  3. Step 3: Cross multiply
    29,105.62x = 43,621.93 × 12,446.10
  4. Step 4: Simplify right side
    29,105.62x = 542,922,622.63
  5. Step 5: Solve for x
    x = 542,922,622.63/29,105.62
  6. Step 6: Final answer
    x = 18,653.54

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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.