Home / 21,688.46-32,540.66-15,497.19

Finding the Fourth Proportional to 21,688.46, 32,540.66 and 15,497.19

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Solution

The fourth proportional to 21,688.46, 32,540.66 and 15,497.19 is: 23,251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,688.46 : 32,540.66 = 15,497.19 : x
  2. Step 2: Convert to fraction form
    21,688.46/32,540.66 = 15,497.19/x
  3. Step 3: Cross multiply
    21,688.46x = 32,540.66 × 15,497.19
  4. Step 4: Simplify right side
    21,688.46x = 504,288,713.26
  5. Step 5: Solve for x
    x = 504,288,713.26/21,688.46
  6. Step 6: Final answer
    x = 23,251.48

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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.