Home / 13,232.31-19,845.34-3,870.36

Finding the Fourth Proportional to 13,232.31, 19,845.34 and 3,870.36

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Solution

The fourth proportional to 13,232.31, 19,845.34 and 3,870.36 is: 5,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232.31 : 19,845.34 = 3,870.36 : x
  2. Step 2: Convert to fraction form
    13,232.31/19,845.34 = 3,870.36/x
  3. Step 3: Cross multiply
    13,232.31x = 19,845.34 × 3,870.36
  4. Step 4: Simplify right side
    13,232.31x = 76,808,610.12
  5. Step 5: Solve for x
    x = 76,808,610.12/13,232.31
  6. Step 6: Final answer
    x = 5,804.63

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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.