Home / 23,188.36-31,999.89-12,577.96

Finding the Fourth Proportional to 23,188.36, 31,999.89 and 12,577.96

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Solution

The fourth proportional to 23,188.36, 31,999.89 and 12,577.96 is: 17,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,188.36 : 31,999.89 = 12,577.96 : x
  2. Step 2: Convert to fraction form
    23,188.36/31,999.89 = 12,577.96/x
  3. Step 3: Cross multiply
    23,188.36x = 31,999.89 × 12,577.96
  4. Step 4: Simplify right side
    23,188.36x = 402,493,336.42
  5. Step 5: Solve for x
    x = 402,493,336.42/23,188.36
  6. Step 6: Final answer
    x = 17,357.56

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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.