Home / 17,919.21-24,739.58-11,548.05

Finding the Fourth Proportional to 17,919.21, 24,739.58 and 11,548.05

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Solution

The fourth proportional to 17,919.21, 24,739.58 and 11,548.05 is: 15,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.21 : 24,739.58 = 11,548.05 : x
  2. Step 2: Convert to fraction form
    17,919.21/24,739.58 = 11,548.05/x
  3. Step 3: Cross multiply
    17,919.21x = 24,739.58 × 11,548.05
  4. Step 4: Simplify right side
    17,919.21x = 285,693,906.82
  5. Step 5: Solve for x
    x = 285,693,906.82/17,919.21
  6. Step 6: Final answer
    x = 15,943.44

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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.