Home / 11,975.56-17,872.80-11,664.52

Finding the Fourth Proportional to 11,975.56, 17,872.80 and 11,664.52

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Solution

The fourth proportional to 11,975.56, 17,872.80 and 11,664.52 is: 17,408.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.56 : 17,872.80 = 11,664.52 : x
  2. Step 2: Convert to fraction form
    11,975.56/17,872.80 = 11,664.52/x
  3. Step 3: Cross multiply
    11,975.56x = 17,872.80 × 11,664.52
  4. Step 4: Simplify right side
    11,975.56x = 208,477,633.06
  5. Step 5: Solve for x
    x = 208,477,633.06/11,975.56
  6. Step 6: Final answer
    x = 17,408.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.