Home / 18,949.84-28,427.36-6,466.52

Finding the Fourth Proportional to 18,949.84, 28,427.36 and 6,466.52

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Solution

The fourth proportional to 18,949.84, 28,427.36 and 6,466.52 is: 9,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.84 : 28,427.36 = 6,466.52 : x
  2. Step 2: Convert to fraction form
    18,949.84/28,427.36 = 6,466.52/x
  3. Step 3: Cross multiply
    18,949.84x = 28,427.36 × 6,466.52
  4. Step 4: Simplify right side
    18,949.84x = 183,826,091.99
  5. Step 5: Solve for x
    x = 183,826,091.99/18,949.84
  6. Step 6: Final answer
    x = 9,700.67

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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.