Home / 21,224.18-31,825.33-9,527.38

Finding the Fourth Proportional to 21,224.18, 31,825.33 and 9,527.38

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Solution

The fourth proportional to 21,224.18, 31,825.33 and 9,527.38 is: 14,286.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,224.18 : 31,825.33 = 9,527.38 : x
  2. Step 2: Convert to fraction form
    21,224.18/31,825.33 = 9,527.38/x
  3. Step 3: Cross multiply
    21,224.18x = 31,825.33 × 9,527.38
  4. Step 4: Simplify right side
    21,224.18x = 303,212,012.54
  5. Step 5: Solve for x
    x = 303,212,012.54/21,224.18
  6. Step 6: Final answer
    x = 14,286.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.