Home / 18,035.87-27,051.40-5,556.30

Finding the Fourth Proportional to 18,035.87, 27,051.40 and 5,556.30

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Solution

The fourth proportional to 18,035.87, 27,051.40 and 5,556.30 is: 8,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.87 : 27,051.40 = 5,556.30 : x
  2. Step 2: Convert to fraction form
    18,035.87/27,051.40 = 5,556.30/x
  3. Step 3: Cross multiply
    18,035.87x = 27,051.40 × 5,556.30
  4. Step 4: Simplify right side
    18,035.87x = 150,305,599.32
  5. Step 5: Solve for x
    x = 150,305,599.32/18,035.87
  6. Step 6: Final answer
    x = 8,333.71

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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.