Home / 13,614.96-18,745.62-12,369.24

Finding the Fourth Proportional to 13,614.96, 18,745.62 and 12,369.24

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Solution

The fourth proportional to 13,614.96, 18,745.62 and 12,369.24 is: 17,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.96 : 18,745.62 = 12,369.24 : x
  2. Step 2: Convert to fraction form
    13,614.96/18,745.62 = 12,369.24/x
  3. Step 3: Cross multiply
    13,614.96x = 18,745.62 × 12,369.24
  4. Step 4: Simplify right side
    13,614.96x = 231,869,072.73
  5. Step 5: Solve for x
    x = 231,869,072.73/13,614.96
  6. Step 6: Final answer
    x = 17,030.46

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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.