Home / 14,072.30-19,408.96-9,822

Finding the Fourth Proportional to 14,072.30, 19,408.96 and 9,822

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Solution

The fourth proportional to 14,072.30, 19,408.96 and 9,822 is: 13,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.30 : 19,408.96 = 9,822 : x
  2. Step 2: Convert to fraction form
    14,072.30/19,408.96 = 9,822/x
  3. Step 3: Cross multiply
    14,072.30x = 19,408.96 × 9,822
  4. Step 4: Simplify right side
    14,072.30x = 190,634,805.12
  5. Step 5: Solve for x
    x = 190,634,805.12/14,072.30
  6. Step 6: Final answer
    x = 13,546.81

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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.