Home / 23,127.74-31,916.27-12,517.37

Finding the Fourth Proportional to 23,127.74, 31,916.27 and 12,517.37

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Solution

The fourth proportional to 23,127.74, 31,916.27 and 12,517.37 is: 17,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.74 : 31,916.27 = 12,517.37 : x
  2. Step 2: Convert to fraction form
    23,127.74/31,916.27 = 12,517.37/x
  3. Step 3: Cross multiply
    23,127.74x = 31,916.27 × 12,517.37
  4. Step 4: Simplify right side
    23,127.74x = 399,507,538.44
  5. Step 5: Solve for x
    x = 399,507,538.44/23,127.74
  6. Step 6: Final answer
    x = 17,273.96

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Why These Related Problems?

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