Home / 13,271.82-19,907.90-4,507.43

Finding the Fourth Proportional to 13,271.82, 19,907.90 and 4,507.43

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Solution

The fourth proportional to 13,271.82, 19,907.90 and 4,507.43 is: 6,761.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.82 : 19,907.90 = 4,507.43 : x
  2. Step 2: Convert to fraction form
    13,271.82/19,907.90 = 4,507.43/x
  3. Step 3: Cross multiply
    13,271.82x = 19,907.90 × 4,507.43
  4. Step 4: Simplify right side
    13,271.82x = 89,733,343.62
  5. Step 5: Solve for x
    x = 89,733,343.62/13,271.82
  6. Step 6: Final answer
    x = 6,761.19

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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.