Home / 13,080.18-19,619.25-4,196.41

Finding the Fourth Proportional to 13,080.18, 19,619.25 and 4,196.41

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Solution

The fourth proportional to 13,080.18, 19,619.25 and 4,196.41 is: 6,294.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.18 : 19,619.25 = 4,196.41 : x
  2. Step 2: Convert to fraction form
    13,080.18/19,619.25 = 4,196.41/x
  3. Step 3: Cross multiply
    13,080.18x = 19,619.25 × 4,196.41
  4. Step 4: Simplify right side
    13,080.18x = 82,330,352.11
  5. Step 5: Solve for x
    x = 82,330,352.11/13,080.18
  6. Step 6: Final answer
    x = 6,294.28

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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.