Home / 14,381.48-21,572.34-3,994.04

Finding the Fourth Proportional to 14,381.48, 21,572.34 and 3,994.04

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Solution

The fourth proportional to 14,381.48, 21,572.34 and 3,994.04 is: 5,991.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.48 : 21,572.34 = 3,994.04 : x
  2. Step 2: Convert to fraction form
    14,381.48/21,572.34 = 3,994.04/x
  3. Step 3: Cross multiply
    14,381.48x = 21,572.34 × 3,994.04
  4. Step 4: Simplify right side
    14,381.48x = 86,160,788.85
  5. Step 5: Solve for x
    x = 86,160,788.85/14,381.48
  6. Step 6: Final answer
    x = 5,991.09

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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.