Home / 23,081.16-34,623.42-8,290.20

Finding the Fourth Proportional to 23,081.16, 34,623.42 and 8,290.20

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Solution

The fourth proportional to 23,081.16, 34,623.42 and 8,290.20 is: 12,435.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,081.16 : 34,623.42 = 8,290.20 : x
  2. Step 2: Convert to fraction form
    23,081.16/34,623.42 = 8,290.20/x
  3. Step 3: Cross multiply
    23,081.16x = 34,623.42 × 8,290.20
  4. Step 4: Simplify right side
    23,081.16x = 287,035,076.48
  5. Step 5: Solve for x
    x = 287,035,076.48/23,081.16
  6. Step 6: Final answer
    x = 12,435.90

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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.