Home / 16,787.57-23,166.89-9,234.67

Finding the Fourth Proportional to 16,787.57, 23,166.89 and 9,234.67

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Solution

The fourth proportional to 16,787.57, 23,166.89 and 9,234.67 is: 12,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787.57 : 23,166.89 = 9,234.67 : x
  2. Step 2: Convert to fraction form
    16,787.57/23,166.89 = 9,234.67/x
  3. Step 3: Cross multiply
    16,787.57x = 23,166.89 × 9,234.67
  4. Step 4: Simplify right side
    16,787.57x = 213,938,558.05
  5. Step 5: Solve for x
    x = 213,938,558.05/16,787.57
  6. Step 6: Final answer
    x = 12,743.87

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1.5x scale

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.