Home / 16,782.20-25,173.30-9,783.80

Finding the Fourth Proportional to 16,782.20, 25,173.30 and 9,783.80

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Solution

The fourth proportional to 16,782.20, 25,173.30 and 9,783.80 is: 14,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.20 : 25,173.30 = 9,783.80 : x
  2. Step 2: Convert to fraction form
    16,782.20/25,173.30 = 9,783.80/x
  3. Step 3: Cross multiply
    16,782.20x = 25,173.30 × 9,783.80
  4. Step 4: Simplify right side
    16,782.20x = 246,290,532.54
  5. Step 5: Solve for x
    x = 246,290,532.54/16,782.20
  6. Step 6: Final answer
    x = 14,675.70

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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.