Home / 23,143.96-34,708.78-8,351.00

Finding the Fourth Proportional to 23,143.96, 34,708.78 and 8,351.00

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Solution

The fourth proportional to 23,143.96, 34,708.78 and 8,351.00 is: 12,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.96 : 34,708.78 = 8,351.00 : x
  2. Step 2: Convert to fraction form
    23,143.96/34,708.78 = 8,351.00/x
  3. Step 3: Cross multiply
    23,143.96x = 34,708.78 × 8,351.00
  4. Step 4: Simplify right side
    23,143.96x = 289,852,806.48
  5. Step 5: Solve for x
    x = 289,852,806.48/23,143.96
  6. Step 6: Final answer
    x = 12,523.91

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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.