Home / 22,890.74-34,351.50-8,099.60

Finding the Fourth Proportional to 22,890.74, 34,351.50 and 8,099.60

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Solution

The fourth proportional to 22,890.74, 34,351.50 and 8,099.60 is: 12,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,890.74 : 34,351.50 = 8,099.60 : x
  2. Step 2: Convert to fraction form
    22,890.74/34,351.50 = 8,099.60/x
  3. Step 3: Cross multiply
    22,890.74x = 34,351.50 × 8,099.60
  4. Step 4: Simplify right side
    22,890.74x = 278,233,409.40
  5. Step 5: Solve for x
    x = 278,233,409.40/22,890.74
  6. Step 6: Final answer
    x = 12,154.85

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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.