Home / 16,181.08-22,329.90-9,107.66

Finding the Fourth Proportional to 16,181.08, 22,329.90 and 9,107.66

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Solution

The fourth proportional to 16,181.08, 22,329.90 and 9,107.66 is: 12,568.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,181.08 : 22,329.90 = 9,107.66 : x
  2. Step 2: Convert to fraction form
    16,181.08/22,329.90 = 9,107.66/x
  3. Step 3: Cross multiply
    16,181.08x = 22,329.90 × 9,107.66
  4. Step 4: Simplify right side
    16,181.08x = 203,373,192.86
  5. Step 5: Solve for x
    x = 203,373,192.86/16,181.08
  6. Step 6: Final answer
    x = 12,568.58

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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.