Home / 14,946.42-20,629.71-8,662.44

Finding the Fourth Proportional to 14,946.42, 20,629.71 and 8,662.44

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Solution

The fourth proportional to 14,946.42, 20,629.71 and 8,662.44 is: 11,956.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,946.42 : 20,629.71 = 8,662.44 : x
  2. Step 2: Convert to fraction form
    14,946.42/20,629.71 = 8,662.44/x
  3. Step 3: Cross multiply
    14,946.42x = 20,629.71 × 8,662.44
  4. Step 4: Simplify right side
    14,946.42x = 178,703,625.09
  5. Step 5: Solve for x
    x = 178,703,625.09/14,946.42
  6. Step 6: Final answer
    x = 11,956.28

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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.