Home / 12,464.21-17,165.62-12,192.05

Finding the Fourth Proportional to 12,464.21, 17,165.62 and 12,192.05

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Solution

The fourth proportional to 12,464.21, 17,165.62 and 12,192.05 is: 16,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.21 : 17,165.62 = 12,192.05 : x
  2. Step 2: Convert to fraction form
    12,464.21/17,165.62 = 12,192.05/x
  3. Step 3: Cross multiply
    12,464.21x = 17,165.62 × 12,192.05
  4. Step 4: Simplify right side
    12,464.21x = 209,284,155.48
  5. Step 5: Solve for x
    x = 209,284,155.48/12,464.21
  6. Step 6: Final answer
    x = 16,790.80

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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.