Home / 16,131.36-22,261.35-9,057.66

Finding the Fourth Proportional to 16,131.36, 22,261.35 and 9,057.66

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Solution

The fourth proportional to 16,131.36, 22,261.35 and 9,057.66 is: 12,499.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,131.36 : 22,261.35 = 9,057.66 : x
  2. Step 2: Convert to fraction form
    16,131.36/22,261.35 = 9,057.66/x
  3. Step 3: Cross multiply
    16,131.36x = 22,261.35 × 9,057.66
  4. Step 4: Simplify right side
    16,131.36x = 201,635,739.44
  5. Step 5: Solve for x
    x = 201,635,739.44/16,131.36
  6. Step 6: Final answer
    x = 12,499.61

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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.