Home / 16,255.32-22,433.40-9,181.86

Finding the Fourth Proportional to 16,255.32, 22,433.40 and 9,181.86

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Solution

The fourth proportional to 16,255.32, 22,433.40 and 9,181.86 is: 12,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,255.32 : 22,433.40 = 9,181.86 : x
  2. Step 2: Convert to fraction form
    16,255.32/22,433.40 = 9,181.86/x
  3. Step 3: Cross multiply
    16,255.32x = 22,433.40 × 9,181.86
  4. Step 4: Simplify right side
    16,255.32x = 205,980,338.12
  5. Step 5: Solve for x
    x = 205,980,338.12/16,255.32
  6. Step 6: Final answer
    x = 12,671.56

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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.