Home / 13,229.87-19,848.11-4,912.25

Finding the Fourth Proportional to 13,229.87, 19,848.11 and 4,912.25

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Solution

The fourth proportional to 13,229.87, 19,848.11 and 4,912.25 is: 7,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.87 : 19,848.11 = 4,912.25 : x
  2. Step 2: Convert to fraction form
    13,229.87/19,848.11 = 4,912.25/x
  3. Step 3: Cross multiply
    13,229.87x = 19,848.11 × 4,912.25
  4. Step 4: Simplify right side
    13,229.87x = 97,498,754.55
  5. Step 5: Solve for x
    x = 97,498,754.55/13,229.87
  6. Step 6: Final answer
    x = 7,369.60

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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.