Home / 18,116.56-27,181.68-7,023.92

Finding the Fourth Proportional to 18,116.56, 27,181.68 and 7,023.92

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Solution

The fourth proportional to 18,116.56, 27,181.68 and 7,023.92 is: 10,538.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.56 : 27,181.68 = 7,023.92 : x
  2. Step 2: Convert to fraction form
    18,116.56/27,181.68 = 7,023.92/x
  3. Step 3: Cross multiply
    18,116.56x = 27,181.68 × 7,023.92
  4. Step 4: Simplify right side
    18,116.56x = 190,921,783.54
  5. Step 5: Solve for x
    x = 190,921,783.54/18,116.56
  6. Step 6: Final answer
    x = 10,538.52

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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.