Home / 14,961.38-20,640.92-8,585.67

Finding the Fourth Proportional to 14,961.38, 20,640.92 and 8,585.67

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Solution

The fourth proportional to 14,961.38, 20,640.92 and 8,585.67 is: 11,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.38 : 20,640.92 = 8,585.67 : x
  2. Step 2: Convert to fraction form
    14,961.38/20,640.92 = 8,585.67/x
  3. Step 3: Cross multiply
    14,961.38x = 20,640.92 × 8,585.67
  4. Step 4: Simplify right side
    14,961.38x = 177,216,084.69
  5. Step 5: Solve for x
    x = 177,216,084.69/14,961.38
  6. Step 6: Final answer
    x = 11,844.91

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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.