Home / 13,736.16-20,577.60-10,800

Finding the Fourth Proportional to 13,736.16, 20,577.60 and 10,800

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Solution

The fourth proportional to 13,736.16, 20,577.60 and 10,800 is: 16,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.16 : 20,577.60 = 10,800 : x
  2. Step 2: Convert to fraction form
    13,736.16/20,577.60 = 10,800/x
  3. Step 3: Cross multiply
    13,736.16x = 20,577.60 × 10,800
  4. Step 4: Simplify right side
    13,736.16x = 222,238,080.00
  5. Step 5: Solve for x
    x = 222,238,080.00/13,736.16
  6. Step 6: Final answer
    x = 16,179.05

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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.