Home / 13,308.26-19,962.09-5,410.76

Finding the Fourth Proportional to 13,308.26, 19,962.09 and 5,410.76

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Solution

The fourth proportional to 13,308.26, 19,962.09 and 5,410.76 is: 8,116.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.26 : 19,962.09 = 5,410.76 : x
  2. Step 2: Convert to fraction form
    13,308.26/19,962.09 = 5,410.76/x
  3. Step 3: Cross multiply
    13,308.26x = 19,962.09 × 5,410.76
  4. Step 4: Simplify right side
    13,308.26x = 108,010,078.09
  5. Step 5: Solve for x
    x = 108,010,078.09/13,308.26
  6. Step 6: Final answer
    x = 8,116.02

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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.