Home / 13,052.88-18,011.16-7,675.56

Finding the Fourth Proportional to 13,052.88, 18,011.16 and 7,675.56

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Solution

The fourth proportional to 13,052.88, 18,011.16 and 7,675.56 is: 10,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.88 : 18,011.16 = 7,675.56 : x
  2. Step 2: Convert to fraction form
    13,052.88/18,011.16 = 7,675.56/x
  3. Step 3: Cross multiply
    13,052.88x = 18,011.16 × 7,675.56
  4. Step 4: Simplify right side
    13,052.88x = 138,245,739.25
  5. Step 5: Solve for x
    x = 138,245,739.25/13,052.88
  6. Step 6: Final answer
    x = 10,591.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.