Home / 23,121.36-34,673.84-8,326.31

Finding the Fourth Proportional to 23,121.36, 34,673.84 and 8,326.31

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Solution

The fourth proportional to 23,121.36, 34,673.84 and 8,326.31 is: 12,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121.36 : 34,673.84 = 8,326.31 : x
  2. Step 2: Convert to fraction form
    23,121.36/34,673.84 = 8,326.31/x
  3. Step 3: Cross multiply
    23,121.36x = 34,673.84 × 8,326.31
  4. Step 4: Simplify right side
    23,121.36x = 288,705,140.73
  5. Step 5: Solve for x
    x = 288,705,140.73/23,121.36
  6. Step 6: Final answer
    x = 12,486.51

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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.