Home / 13,984.73-20,972.64-4,623

Finding the Fourth Proportional to 13,984.73, 20,972.64 and 4,623

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Solution

The fourth proportional to 13,984.73, 20,972.64 and 4,623 is: 6,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.73 : 20,972.64 = 4,623 : x
  2. Step 2: Convert to fraction form
    13,984.73/20,972.64 = 4,623/x
  3. Step 3: Cross multiply
    13,984.73x = 20,972.64 × 4,623
  4. Step 4: Simplify right side
    13,984.73x = 96,956,514.72
  5. Step 5: Solve for x
    x = 96,956,514.72/13,984.73
  6. Step 6: Final answer
    x = 6,933.03

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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.