Home / 16,382.40-24,537.15-12,672.60

Finding the Fourth Proportional to 16,382.40, 24,537.15 and 12,672.60

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Solution

The fourth proportional to 16,382.40, 24,537.15 and 12,672.60 is: 18,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,382.40 : 24,537.15 = 12,672.60 : x
  2. Step 2: Convert to fraction form
    16,382.40/24,537.15 = 12,672.60/x
  3. Step 3: Cross multiply
    16,382.40x = 24,537.15 × 12,672.60
  4. Step 4: Simplify right side
    16,382.40x = 310,949,487.09
  5. Step 5: Solve for x
    x = 310,949,487.09/16,382.40
  6. Step 6: Final answer
    x = 18,980.70

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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.