Home / 21,372.63-32,062.64-9,530.61

Finding the Fourth Proportional to 21,372.63, 32,062.64 and 9,530.61

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Solution

The fourth proportional to 21,372.63, 32,062.64 and 9,530.61 is: 14,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,372.63 : 32,062.64 = 9,530.61 : x
  2. Step 2: Convert to fraction form
    21,372.63/32,062.64 = 9,530.61/x
  3. Step 3: Cross multiply
    21,372.63x = 32,062.64 × 9,530.61
  4. Step 4: Simplify right side
    21,372.63x = 305,576,517.41
  5. Step 5: Solve for x
    x = 305,576,517.41/21,372.63
  6. Step 6: Final answer
    x = 14,297.56

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Why These Related Problems?

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