Home / 16,254.72-22,431.60-9,181.80

Finding the Fourth Proportional to 16,254.72, 22,431.60 and 9,181.80

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Solution

The fourth proportional to 16,254.72, 22,431.60 and 9,181.80 is: 12,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,254.72 : 22,431.60 = 9,181.80 : x
  2. Step 2: Convert to fraction form
    16,254.72/22,431.60 = 9,181.80/x
  3. Step 3: Cross multiply
    16,254.72x = 22,431.60 × 9,181.80
  4. Step 4: Simplify right side
    16,254.72x = 205,962,464.88
  5. Step 5: Solve for x
    x = 205,962,464.88/16,254.72
  6. Step 6: Final answer
    x = 12,670.93

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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.