Home / 13,926.72-20,883.52-8,084.96

Finding the Fourth Proportional to 13,926.72, 20,883.52 and 8,084.96

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Solution

The fourth proportional to 13,926.72, 20,883.52 and 8,084.96 is: 12,123.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.72 : 20,883.52 = 8,084.96 : x
  2. Step 2: Convert to fraction form
    13,926.72/20,883.52 = 8,084.96/x
  3. Step 3: Cross multiply
    13,926.72x = 20,883.52 × 8,084.96
  4. Step 4: Simplify right side
    13,926.72x = 168,842,423.86
  5. Step 5: Solve for x
    x = 168,842,423.86/13,926.72
  6. Step 6: Final answer
    x = 12,123.63

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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.