Home / 23,731.46-32,750.09-13,121.78

Finding the Fourth Proportional to 23,731.46, 32,750.09 and 13,121.78

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Solution

The fourth proportional to 23,731.46, 32,750.09 and 13,121.78 is: 18,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,731.46 : 32,750.09 = 13,121.78 : x
  2. Step 2: Convert to fraction form
    23,731.46/32,750.09 = 13,121.78/x
  3. Step 3: Cross multiply
    23,731.46x = 32,750.09 × 13,121.78
  4. Step 4: Simplify right side
    23,731.46x = 429,739,246.60
  5. Step 5: Solve for x
    x = 429,739,246.60/23,731.46
  6. Step 6: Final answer
    x = 18,108.42

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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.