Home / 16,986.24-23,438.40-9,432.48

Finding the Fourth Proportional to 16,986.24, 23,438.40 and 9,432.48

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Solution

The fourth proportional to 16,986.24, 23,438.40 and 9,432.48 is: 13,015.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.24 : 23,438.40 = 9,432.48 : x
  2. Step 2: Convert to fraction form
    16,986.24/23,438.40 = 9,432.48/x
  3. Step 3: Cross multiply
    16,986.24x = 23,438.40 × 9,432.48
  4. Step 4: Simplify right side
    16,986.24x = 221,082,239.23
  5. Step 5: Solve for x
    x = 221,082,239.23/16,986.24
  6. Step 6: Final answer
    x = 13,015.37

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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.