Home / 35,181.28-52,784.82-18,540.64

Finding the Fourth Proportional to 35,181.28, 52,784.82 and 18,540.64

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Solution

The fourth proportional to 35,181.28, 52,784.82 and 18,540.64 is: 27,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,181.28 : 52,784.82 = 18,540.64 : x
  2. Step 2: Convert to fraction form
    35,181.28/52,784.82 = 18,540.64/x
  3. Step 3: Cross multiply
    35,181.28x = 52,784.82 × 18,540.64
  4. Step 4: Simplify right side
    35,181.28x = 978,664,345.08
  5. Step 5: Solve for x
    x = 978,664,345.08/35,181.28
  6. Step 6: Final answer
    x = 27,817.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.