Home / 18,713.46-28,060.32-16,581.72

Finding the Fourth Proportional to 18,713.46, 28,060.32 and 16,581.72

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Solution

The fourth proportional to 18,713.46, 28,060.32 and 16,581.72 is: 24,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.46 : 28,060.32 = 16,581.72 : x
  2. Step 2: Convert to fraction form
    18,713.46/28,060.32 = 16,581.72/x
  3. Step 3: Cross multiply
    18,713.46x = 28,060.32 × 16,581.72
  4. Step 4: Simplify right side
    18,713.46x = 465,288,369.35
  5. Step 5: Solve for x
    x = 465,288,369.35/18,713.46
  6. Step 6: Final answer
    x = 24,863.83

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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.