Home / 22,003.18-33,006.21-6,419.50

Finding the Fourth Proportional to 22,003.18, 33,006.21 and 6,419.50

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Solution

The fourth proportional to 22,003.18, 33,006.21 and 6,419.50 is: 9,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,003.18 : 33,006.21 = 6,419.50 : x
  2. Step 2: Convert to fraction form
    22,003.18/33,006.21 = 6,419.50/x
  3. Step 3: Cross multiply
    22,003.18x = 33,006.21 × 6,419.50
  4. Step 4: Simplify right side
    22,003.18x = 211,883,365.10
  5. Step 5: Solve for x
    x = 211,883,365.10/22,003.18
  6. Step 6: Final answer
    x = 9,629.67

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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.