Home / 16,957.30-23,396.31-13,361.11

Finding the Fourth Proportional to 16,957.30, 23,396.31 and 13,361.11

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Solution

The fourth proportional to 16,957.30, 23,396.31 and 13,361.11 is: 18,434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.30 : 23,396.31 = 13,361.11 : x
  2. Step 2: Convert to fraction form
    16,957.30/23,396.31 = 13,361.11/x
  3. Step 3: Cross multiply
    16,957.30x = 23,396.31 × 13,361.11
  4. Step 4: Simplify right side
    16,957.30x = 312,600,573.10
  5. Step 5: Solve for x
    x = 312,600,573.10/16,957.30
  6. Step 6: Final answer
    x = 18,434.57

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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.