Home / 13,072.41-19,597.66-9,112.05

Finding the Fourth Proportional to 13,072.41, 19,597.66 and 9,112.05

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Solution

The fourth proportional to 13,072.41, 19,597.66 and 9,112.05 is: 13,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.41 : 19,597.66 = 9,112.05 : x
  2. Step 2: Convert to fraction form
    13,072.41/19,597.66 = 9,112.05/x
  3. Step 3: Cross multiply
    13,072.41x = 19,597.66 × 9,112.05
  4. Step 4: Simplify right side
    13,072.41x = 178,574,714.25
  5. Step 5: Solve for x
    x = 178,574,714.25/13,072.41
  6. Step 6: Final answer
    x = 13,660.43

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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.