Home / 22,000.79-33,000.64-6,418.55

Finding the Fourth Proportional to 22,000.79, 33,000.64 and 6,418.55

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Solution

The fourth proportional to 22,000.79, 33,000.64 and 6,418.55 is: 9,627.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.79 : 33,000.64 = 6,418.55 : x
  2. Step 2: Convert to fraction form
    22,000.79/33,000.64 = 6,418.55/x
  3. Step 3: Cross multiply
    22,000.79x = 33,000.64 × 6,418.55
  4. Step 4: Simplify right side
    22,000.79x = 211,816,257.87
  5. Step 5: Solve for x
    x = 211,816,257.87/22,000.79
  6. Step 6: Final answer
    x = 9,627.67

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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.