Home / 23,231.88-34,848.18-8,431.56

Finding the Fourth Proportional to 23,231.88, 34,848.18 and 8,431.56

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Solution

The fourth proportional to 23,231.88, 34,848.18 and 8,431.56 is: 12,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,231.88 : 34,848.18 = 8,431.56 : x
  2. Step 2: Convert to fraction form
    23,231.88/34,848.18 = 8,431.56/x
  3. Step 3: Cross multiply
    23,231.88x = 34,848.18 × 8,431.56
  4. Step 4: Simplify right side
    23,231.88x = 293,824,520.56
  5. Step 5: Solve for x
    x = 293,824,520.56/23,231.88
  6. Step 6: Final answer
    x = 12,647.47

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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.