Home / 23,161.22-34,788.32-13,819.47

Finding the Fourth Proportional to 23,161.22, 34,788.32 and 13,819.47

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Solution

The fourth proportional to 23,161.22, 34,788.32 and 13,819.47 is: 20,756.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,161.22 : 34,788.32 = 13,819.47 : x
  2. Step 2: Convert to fraction form
    23,161.22/34,788.32 = 13,819.47/x
  3. Step 3: Cross multiply
    23,161.22x = 34,788.32 × 13,819.47
  4. Step 4: Simplify right side
    23,161.22x = 480,756,179.14
  5. Step 5: Solve for x
    x = 480,756,179.14/23,161.22
  6. Step 6: Final answer
    x = 20,756.94

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1.5x scale

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.