Home / 14,161.05-21,347.62-13,209.57

Finding the Fourth Proportional to 14,161.05, 21,347.62 and 13,209.57

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Solution

The fourth proportional to 14,161.05, 21,347.62 and 13,209.57 is: 19,913.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.05 : 21,347.62 = 13,209.57 : x
  2. Step 2: Convert to fraction form
    14,161.05/21,347.62 = 13,209.57/x
  3. Step 3: Cross multiply
    14,161.05x = 21,347.62 × 13,209.57
  4. Step 4: Simplify right side
    14,161.05x = 281,992,847.70
  5. Step 5: Solve for x
    x = 281,992,847.70/14,161.05
  6. Step 6: Final answer
    x = 19,913.27

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.