Home / 16,243.08-22,415.23-9,169.64

Finding the Fourth Proportional to 16,243.08, 22,415.23 and 9,169.64

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Solution

The fourth proportional to 16,243.08, 22,415.23 and 9,169.64 is: 12,653.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,243.08 : 22,415.23 = 9,169.64 : x
  2. Step 2: Convert to fraction form
    16,243.08/22,415.23 = 9,169.64/x
  3. Step 3: Cross multiply
    16,243.08x = 22,415.23 × 9,169.64
  4. Step 4: Simplify right side
    16,243.08x = 205,539,589.62
  5. Step 5: Solve for x
    x = 205,539,589.62/16,243.08
  6. Step 6: Final answer
    x = 12,653.98

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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.