Home / 13,525.36-18,635.30-10,108.06

Finding the Fourth Proportional to 13,525.36, 18,635.30 and 10,108.06

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Solution

The fourth proportional to 13,525.36, 18,635.30 and 10,108.06 is: 13,926.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.36 : 18,635.30 = 10,108.06 : x
  2. Step 2: Convert to fraction form
    13,525.36/18,635.30 = 10,108.06/x
  3. Step 3: Cross multiply
    13,525.36x = 18,635.30 × 10,108.06
  4. Step 4: Simplify right side
    13,525.36x = 188,366,679.98
  5. Step 5: Solve for x
    x = 188,366,679.98/13,525.36
  6. Step 6: Final answer
    x = 13,926.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.