Home / 23,122.68-34,685.54-8,127.98

Finding the Fourth Proportional to 23,122.68, 34,685.54 and 8,127.98

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Solution

The fourth proportional to 23,122.68, 34,685.54 and 8,127.98 is: 12,192.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,122.68 : 34,685.54 = 8,127.98 : x
  2. Step 2: Convert to fraction form
    23,122.68/34,685.54 = 8,127.98/x
  3. Step 3: Cross multiply
    23,122.68x = 34,685.54 × 8,127.98
  4. Step 4: Simplify right side
    23,122.68x = 281,923,375.41
  5. Step 5: Solve for x
    x = 281,923,375.41/23,122.68
  6. Step 6: Final answer
    x = 12,192.50

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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.