Home / 13,380.72-20,075.64-5,063.14

Finding the Fourth Proportional to 13,380.72, 20,075.64 and 5,063.14

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Solution

The fourth proportional to 13,380.72, 20,075.64 and 5,063.14 is: 7,596.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380.72 : 20,075.64 = 5,063.14 : x
  2. Step 2: Convert to fraction form
    13,380.72/20,075.64 = 5,063.14/x
  3. Step 3: Cross multiply
    13,380.72x = 20,075.64 × 5,063.14
  4. Step 4: Simplify right side
    13,380.72x = 101,645,775.91
  5. Step 5: Solve for x
    x = 101,645,775.91/13,380.72
  6. Step 6: Final answer
    x = 7,596.44

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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.