Home / 16,928.79-25,396.13-7,075

Finding the Fourth Proportional to 16,928.79, 25,396.13 and 7,075

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Solution

The fourth proportional to 16,928.79, 25,396.13 and 7,075 is: 10,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,928.79 : 25,396.13 = 7,075 : x
  2. Step 2: Convert to fraction form
    16,928.79/25,396.13 = 7,075/x
  3. Step 3: Cross multiply
    16,928.79x = 25,396.13 × 7,075
  4. Step 4: Simplify right side
    16,928.79x = 179,677,619.75
  5. Step 5: Solve for x
    x = 179,677,619.75/16,928.79
  6. Step 6: Final answer
    x = 10,613.73

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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.