Home / 18,198.96-27,298.74-5,051.34

Finding the Fourth Proportional to 18,198.96, 27,298.74 and 5,051.34

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Solution

The fourth proportional to 18,198.96, 27,298.74 and 5,051.34 is: 7,577.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.96 : 27,298.74 = 5,051.34 : x
  2. Step 2: Convert to fraction form
    18,198.96/27,298.74 = 5,051.34/x
  3. Step 3: Cross multiply
    18,198.96x = 27,298.74 × 5,051.34
  4. Step 4: Simplify right side
    18,198.96x = 137,895,217.31
  5. Step 5: Solve for x
    x = 137,895,217.31/18,198.96
  6. Step 6: Final answer
    x = 7,577.09

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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.