Home / 13,201.20-19,804.05-4,881.24

Finding the Fourth Proportional to 13,201.20, 19,804.05 and 4,881.24

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Solution

The fourth proportional to 13,201.20, 19,804.05 and 4,881.24 is: 7,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.20 : 19,804.05 = 4,881.24 : x
  2. Step 2: Convert to fraction form
    13,201.20/19,804.05 = 4,881.24/x
  3. Step 3: Cross multiply
    13,201.20x = 19,804.05 × 4,881.24
  4. Step 4: Simplify right side
    13,201.20x = 96,668,321.02
  5. Step 5: Solve for x
    x = 96,668,321.02/13,201.20
  6. Step 6: Final answer
    x = 7,322.69

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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.