Home / 14,660.80-21,991.20-4,273.60

Finding the Fourth Proportional to 14,660.80, 21,991.20 and 4,273.60

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Solution

The fourth proportional to 14,660.80, 21,991.20 and 4,273.60 is: 6,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.80 : 21,991.20 = 4,273.60 : x
  2. Step 2: Convert to fraction form
    14,660.80/21,991.20 = 4,273.60/x
  3. Step 3: Cross multiply
    14,660.80x = 21,991.20 × 4,273.60
  4. Step 4: Simplify right side
    14,660.80x = 93,981,592.32
  5. Step 5: Solve for x
    x = 93,981,592.32/14,660.80
  6. Step 6: Final answer
    x = 6,410.40

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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.