Home / 13,936.08-20,904.93-4,075.14

Finding the Fourth Proportional to 13,936.08, 20,904.93 and 4,075.14

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Solution

The fourth proportional to 13,936.08, 20,904.93 and 4,075.14 is: 6,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.08 : 20,904.93 = 4,075.14 : x
  2. Step 2: Convert to fraction form
    13,936.08/20,904.93 = 4,075.14/x
  3. Step 3: Cross multiply
    13,936.08x = 20,904.93 × 4,075.14
  4. Step 4: Simplify right side
    13,936.08x = 85,190,516.44
  5. Step 5: Solve for x
    x = 85,190,516.44/13,936.08
  6. Step 6: Final answer
    x = 6,112.95

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1.5x scale

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.