Home / 23,138.82-34,699.86-8,343.77

Finding the Fourth Proportional to 23,138.82, 34,699.86 and 8,343.77

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Solution

The fourth proportional to 23,138.82, 34,699.86 and 8,343.77 is: 12,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.82 : 34,699.86 = 8,343.77 : x
  2. Step 2: Convert to fraction form
    23,138.82/34,699.86 = 8,343.77/x
  3. Step 3: Cross multiply
    23,138.82x = 34,699.86 × 8,343.77
  4. Step 4: Simplify right side
    23,138.82x = 289,527,477.37
  5. Step 5: Solve for x
    x = 289,527,477.37/23,138.82
  6. Step 6: Final answer
    x = 12,512.63

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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.