Home / 14,694.96-20,282.40-8,410.80

Finding the Fourth Proportional to 14,694.96, 20,282.40 and 8,410.80

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Solution

The fourth proportional to 14,694.96, 20,282.40 and 8,410.80 is: 11,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,694.96 : 20,282.40 = 8,410.80 : x
  2. Step 2: Convert to fraction form
    14,694.96/20,282.40 = 8,410.80/x
  3. Step 3: Cross multiply
    14,694.96x = 20,282.40 × 8,410.80
  4. Step 4: Simplify right side
    14,694.96x = 170,591,209.92
  5. Step 5: Solve for x
    x = 170,591,209.92/14,694.96
  6. Step 6: Final answer
    x = 11,608.82

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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.