Home / 13,026.22-19,539.05-3,165.55

Finding the Fourth Proportional to 13,026.22, 19,539.05 and 3,165.55

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Solution

The fourth proportional to 13,026.22, 19,539.05 and 3,165.55 is: 4,748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.22 : 19,539.05 = 3,165.55 : x
  2. Step 2: Convert to fraction form
    13,026.22/19,539.05 = 3,165.55/x
  3. Step 3: Cross multiply
    13,026.22x = 19,539.05 × 3,165.55
  4. Step 4: Simplify right side
    13,026.22x = 61,851,839.73
  5. Step 5: Solve for x
    x = 61,851,839.73/13,026.22
  6. Step 6: Final answer
    x = 4,748.26

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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.