Home / 19,942.89-27,525.18-11,450.76

Finding the Fourth Proportional to 19,942.89, 27,525.18 and 11,450.76

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Solution

The fourth proportional to 19,942.89, 27,525.18 and 11,450.76 is: 15,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.89 : 27,525.18 = 11,450.76 : x
  2. Step 2: Convert to fraction form
    19,942.89/27,525.18 = 11,450.76/x
  3. Step 3: Cross multiply
    19,942.89x = 27,525.18 × 11,450.76
  4. Step 4: Simplify right side
    19,942.89x = 315,184,230.14
  5. Step 5: Solve for x
    x = 315,184,230.14/19,942.89
  6. Step 6: Final answer
    x = 15,804.34

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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.