Home / 23,213.69-34,825.77-8,422.58

Finding the Fourth Proportional to 23,213.69, 34,825.77 and 8,422.58

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Solution

The fourth proportional to 23,213.69, 34,825.77 and 8,422.58 is: 12,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,213.69 : 34,825.77 = 8,422.58 : x
  2. Step 2: Convert to fraction form
    23,213.69/34,825.77 = 8,422.58/x
  3. Step 3: Cross multiply
    23,213.69x = 34,825.77 × 8,422.58
  4. Step 4: Simplify right side
    23,213.69x = 293,322,944.64
  5. Step 5: Solve for x
    x = 293,322,944.64/23,213.69
  6. Step 6: Final answer
    x = 12,635.77

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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.