Home / 12,322.44-18,484.35-8,372.01

Finding the Fourth Proportional to 12,322.44, 18,484.35 and 8,372.01

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Solution

The fourth proportional to 12,322.44, 18,484.35 and 8,372.01 is: 12,558.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.44 : 18,484.35 = 8,372.01 : x
  2. Step 2: Convert to fraction form
    12,322.44/18,484.35 = 8,372.01/x
  3. Step 3: Cross multiply
    12,322.44x = 18,484.35 × 8,372.01
  4. Step 4: Simplify right side
    12,322.44x = 154,751,163.04
  5. Step 5: Solve for x
    x = 154,751,163.04/12,322.44
  6. Step 6: Final answer
    x = 12,558.48

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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.