Home / 13,922.89-20,883.39-6,529

Finding the Fourth Proportional to 13,922.89, 20,883.39 and 6,529

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Solution

The fourth proportional to 13,922.89, 20,883.39 and 6,529 is: 9,793.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.89 : 20,883.39 = 6,529 : x
  2. Step 2: Convert to fraction form
    13,922.89/20,883.39 = 6,529/x
  3. Step 3: Cross multiply
    13,922.89x = 20,883.39 × 6,529
  4. Step 4: Simplify right side
    13,922.89x = 136,347,653.31
  5. Step 5: Solve for x
    x = 136,347,653.31/13,922.89
  6. Step 6: Final answer
    x = 9,793.06

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1.5x scale

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.