Home / 19,695.42-27,166.14-11,731.50

Finding the Fourth Proportional to 19,695.42, 27,166.14 and 11,731.50

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Solution

The fourth proportional to 19,695.42, 27,166.14 and 11,731.50 is: 16,181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.42 : 27,166.14 = 11,731.50 : x
  2. Step 2: Convert to fraction form
    19,695.42/27,166.14 = 11,731.50/x
  3. Step 3: Cross multiply
    19,695.42x = 27,166.14 × 11,731.50
  4. Step 4: Simplify right side
    19,695.42x = 318,699,571.41
  5. Step 5: Solve for x
    x = 318,699,571.41/19,695.42
  6. Step 6: Final answer
    x = 16,181.41

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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.