Home / 13,942.85-19,232.67-8,273.86

Finding the Fourth Proportional to 13,942.85, 19,232.67 and 8,273.86

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Solution

The fourth proportional to 13,942.85, 19,232.67 and 8,273.86 is: 11,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.85 : 19,232.67 = 8,273.86 : x
  2. Step 2: Convert to fraction form
    13,942.85/19,232.67 = 8,273.86/x
  3. Step 3: Cross multiply
    13,942.85x = 19,232.67 × 8,273.86
  4. Step 4: Simplify right side
    13,942.85x = 159,128,401.95
  5. Step 5: Solve for x
    x = 159,128,401.95/13,942.85
  6. Step 6: Final answer
    x = 11,412.91

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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.