Home / 12,327.25-18,482.22-4,320.06

Finding the Fourth Proportional to 12,327.25, 18,482.22 and 4,320.06

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Solution

The fourth proportional to 12,327.25, 18,482.22 and 4,320.06 is: 6,477.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.25 : 18,482.22 = 4,320.06 : x
  2. Step 2: Convert to fraction form
    12,327.25/18,482.22 = 4,320.06/x
  3. Step 3: Cross multiply
    12,327.25x = 18,482.22 × 4,320.06
  4. Step 4: Simplify right side
    12,327.25x = 79,844,277.73
  5. Step 5: Solve for x
    x = 79,844,277.73/12,327.25
  6. Step 6: Final answer
    x = 6,477.06

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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.