Home / 16,231.80-22,406.22-10,644.60

Finding the Fourth Proportional to 16,231.80, 22,406.22 and 10,644.60

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Solution

The fourth proportional to 16,231.80, 22,406.22 and 10,644.60 is: 14,693.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231.80 : 22,406.22 = 10,644.60 : x
  2. Step 2: Convert to fraction form
    16,231.80/22,406.22 = 10,644.60/x
  3. Step 3: Cross multiply
    16,231.80x = 22,406.22 × 10,644.60
  4. Step 4: Simplify right side
    16,231.80x = 238,505,249.41
  5. Step 5: Solve for x
    x = 238,505,249.41/16,231.80
  6. Step 6: Final answer
    x = 14,693.70

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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.