Home / 13,267.16-19,900.68-3,907.38

Finding the Fourth Proportional to 13,267.16, 19,900.68 and 3,907.38

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Solution

The fourth proportional to 13,267.16, 19,900.68 and 3,907.38 is: 5,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.16 : 19,900.68 = 3,907.38 : x
  2. Step 2: Convert to fraction form
    13,267.16/19,900.68 = 3,907.38/x
  3. Step 3: Cross multiply
    13,267.16x = 19,900.68 × 3,907.38
  4. Step 4: Simplify right side
    13,267.16x = 77,759,519.02
  5. Step 5: Solve for x
    x = 77,759,519.02/13,267.16
  6. Step 6: Final answer
    x = 5,861.05

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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.