Home / 13,941.92-19,243.53-8,633.72

Finding the Fourth Proportional to 13,941.92, 19,243.53 and 8,633.72

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Solution

The fourth proportional to 13,941.92, 19,243.53 and 8,633.72 is: 11,916.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.92 : 19,243.53 = 8,633.72 : x
  2. Step 2: Convert to fraction form
    13,941.92/19,243.53 = 8,633.72/x
  3. Step 3: Cross multiply
    13,941.92x = 19,243.53 × 8,633.72
  4. Step 4: Simplify right side
    13,941.92x = 166,143,249.83
  5. Step 5: Solve for x
    x = 166,143,249.83/13,941.92
  6. Step 6: Final answer
    x = 11,916.81

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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.