Home / 16,909.60-25,387.20-9,896.80

Finding the Fourth Proportional to 16,909.60, 25,387.20 and 9,896.80

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Solution

The fourth proportional to 16,909.60, 25,387.20 and 9,896.80 is: 14,858.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.60 : 25,387.20 = 9,896.80 : x
  2. Step 2: Convert to fraction form
    16,909.60/25,387.20 = 9,896.80/x
  3. Step 3: Cross multiply
    16,909.60x = 25,387.20 × 9,896.80
  4. Step 4: Simplify right side
    16,909.60x = 251,252,040.96
  5. Step 5: Solve for x
    x = 251,252,040.96/16,909.60
  6. Step 6: Final answer
    x = 14,858.54

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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.