Home / 18,560.73-27,850.67-12,325.05

Finding the Fourth Proportional to 18,560.73, 27,850.67 and 12,325.05

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Solution

The fourth proportional to 18,560.73, 27,850.67 and 12,325.05 is: 18,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560.73 : 27,850.67 = 12,325.05 : x
  2. Step 2: Convert to fraction form
    18,560.73/27,850.67 = 12,325.05/x
  3. Step 3: Cross multiply
    18,560.73x = 27,850.67 × 12,325.05
  4. Step 4: Simplify right side
    18,560.73x = 343,260,900.28
  5. Step 5: Solve for x
    x = 343,260,900.28/18,560.73
  6. Step 6: Final answer
    x = 18,493.93

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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.