Home / 14,943.44-20,621.04-8,654.60

Finding the Fourth Proportional to 14,943.44, 20,621.04 and 8,654.60

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Solution

The fourth proportional to 14,943.44, 20,621.04 and 8,654.60 is: 11,942.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.44 : 20,621.04 = 8,654.60 : x
  2. Step 2: Convert to fraction form
    14,943.44/20,621.04 = 8,654.60/x
  3. Step 3: Cross multiply
    14,943.44x = 20,621.04 × 8,654.60
  4. Step 4: Simplify right side
    14,943.44x = 178,466,852.78
  5. Step 5: Solve for x
    x = 178,466,852.78/14,943.44
  6. Step 6: Final answer
    x = 11,942.82

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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.