Home / 16,901.05-25,321.20-8,116.60

Finding the Fourth Proportional to 16,901.05, 25,321.20 and 8,116.60

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Solution

The fourth proportional to 16,901.05, 25,321.20 and 8,116.60 is: 12,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,901.05 : 25,321.20 = 8,116.60 : x
  2. Step 2: Convert to fraction form
    16,901.05/25,321.20 = 8,116.60/x
  3. Step 3: Cross multiply
    16,901.05x = 25,321.20 × 8,116.60
  4. Step 4: Simplify right side
    16,901.05x = 205,522,051.92
  5. Step 5: Solve for x
    x = 205,522,051.92/16,901.05
  6. Step 6: Final answer
    x = 12,160.31

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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.