Home / 16,473.67-22,733.62-8,920

Finding the Fourth Proportional to 16,473.67, 22,733.62 and 8,920

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Solution

The fourth proportional to 16,473.67, 22,733.62 and 8,920 is: 12,309.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,473.67 : 22,733.62 = 8,920 : x
  2. Step 2: Convert to fraction form
    16,473.67/22,733.62 = 8,920/x
  3. Step 3: Cross multiply
    16,473.67x = 22,733.62 × 8,920
  4. Step 4: Simplify right side
    16,473.67x = 202,783,890.40
  5. Step 5: Solve for x
    x = 202,783,890.40/16,473.67
  6. Step 6: Final answer
    x = 12,309.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.