Home / 16,933.78-25,388.36-7,075.88

Finding the Fourth Proportional to 16,933.78, 25,388.36 and 7,075.88

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Solution

The fourth proportional to 16,933.78, 25,388.36 and 7,075.88 is: 10,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,933.78 : 25,388.36 = 7,075.88 : x
  2. Step 2: Convert to fraction form
    16,933.78/25,388.36 = 7,075.88/x
  3. Step 3: Cross multiply
    16,933.78x = 25,388.36 × 7,075.88
  4. Step 4: Simplify right side
    16,933.78x = 179,644,826.44
  5. Step 5: Solve for x
    x = 179,644,826.44/16,933.78
  6. Step 6: Final answer
    x = 10,608.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.