Home / 12,325.08-18,474.39-4,419.99

Finding the Fourth Proportional to 12,325.08, 18,474.39 and 4,419.99

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Solution

The fourth proportional to 12,325.08, 18,474.39 and 4,419.99 is: 6,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.08 : 18,474.39 = 4,419.99 : x
  2. Step 2: Convert to fraction form
    12,325.08/18,474.39 = 4,419.99/x
  3. Step 3: Cross multiply
    12,325.08x = 18,474.39 × 4,419.99
  4. Step 4: Simplify right side
    12,325.08x = 81,656,619.06
  5. Step 5: Solve for x
    x = 81,656,619.06/12,325.08
  6. Step 6: Final answer
    x = 6,625.24

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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.