Home / 14,181.48-19,571.32-11,819.52

Finding the Fourth Proportional to 14,181.48, 19,571.32 and 11,819.52

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Solution

The fourth proportional to 14,181.48, 19,571.32 and 11,819.52 is: 16,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.48 : 19,571.32 = 11,819.52 : x
  2. Step 2: Convert to fraction form
    14,181.48/19,571.32 = 11,819.52/x
  3. Step 3: Cross multiply
    14,181.48x = 19,571.32 × 11,819.52
  4. Step 4: Simplify right side
    14,181.48x = 231,323,608.17
  5. Step 5: Solve for x
    x = 231,323,608.17/14,181.48
  6. Step 6: Final answer
    x = 16,311.67

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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.