Home / 18,463.41-25,500.75-13,450.05

Finding the Fourth Proportional to 18,463.41, 25,500.75 and 13,450.05

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Solution

The fourth proportional to 18,463.41, 25,500.75 and 13,450.05 is: 18,576.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463.41 : 25,500.75 = 13,450.05 : x
  2. Step 2: Convert to fraction form
    18,463.41/25,500.75 = 13,450.05/x
  3. Step 3: Cross multiply
    18,463.41x = 25,500.75 × 13,450.05
  4. Step 4: Simplify right side
    18,463.41x = 342,986,362.54
  5. Step 5: Solve for x
    x = 342,986,362.54/18,463.41
  6. Step 6: Final answer
    x = 18,576.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.