Home / 14,143.16-19,516.09-8,176.73

Finding the Fourth Proportional to 14,143.16, 19,516.09 and 8,176.73

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Solution

The fourth proportional to 14,143.16, 19,516.09 and 8,176.73 is: 11,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.16 : 19,516.09 = 8,176.73 : x
  2. Step 2: Convert to fraction form
    14,143.16/19,516.09 = 8,176.73/x
  3. Step 3: Cross multiply
    14,143.16x = 19,516.09 × 8,176.73
  4. Step 4: Simplify right side
    14,143.16x = 159,577,757.70
  5. Step 5: Solve for x
    x = 159,577,757.70/14,143.16
  6. Step 6: Final answer
    x = 11,283.04

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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.