Home / 19,982.64-27,559.13-12,023.39

Finding the Fourth Proportional to 19,982.64, 27,559.13 and 12,023.39

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Solution

The fourth proportional to 19,982.64, 27,559.13 and 12,023.39 is: 16,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.64 : 27,559.13 = 12,023.39 : x
  2. Step 2: Convert to fraction form
    19,982.64/27,559.13 = 12,023.39/x
  3. Step 3: Cross multiply
    19,982.64x = 27,559.13 × 12,023.39
  4. Step 4: Simplify right side
    19,982.64x = 331,353,970.14
  5. Step 5: Solve for x
    x = 331,353,970.14/19,982.64
  6. Step 6: Final answer
    x = 16,582.09

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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.