Home / 16,458.16-24,672.66-12,579.88

Finding the Fourth Proportional to 16,458.16, 24,672.66 and 12,579.88

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Solution

The fourth proportional to 16,458.16, 24,672.66 and 12,579.88 is: 18,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,458.16 : 24,672.66 = 12,579.88 : x
  2. Step 2: Convert to fraction form
    16,458.16/24,672.66 = 12,579.88/x
  3. Step 3: Cross multiply
    16,458.16x = 24,672.66 × 12,579.88
  4. Step 4: Simplify right side
    16,458.16x = 310,379,102.08
  5. Step 5: Solve for x
    x = 310,379,102.08/16,458.16
  6. Step 6: Final answer
    x = 18,858.68

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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.