Home / 13,028.16-19,541.60-4,261.92

Finding the Fourth Proportional to 13,028.16, 19,541.60 and 4,261.92

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Solution

The fourth proportional to 13,028.16, 19,541.60 and 4,261.92 is: 6,392.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.16 : 19,541.60 = 4,261.92 : x
  2. Step 2: Convert to fraction form
    13,028.16/19,541.60 = 4,261.92/x
  3. Step 3: Cross multiply
    13,028.16x = 19,541.60 × 4,261.92
  4. Step 4: Simplify right side
    13,028.16x = 83,284,735.87
  5. Step 5: Solve for x
    x = 83,284,735.87/13,028.16
  6. Step 6: Final answer
    x = 6,392.67

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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.