Home / 13,824.83-20,725.50-6,433.58

Finding the Fourth Proportional to 13,824.83, 20,725.50 and 6,433.58

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Solution

The fourth proportional to 13,824.83, 20,725.50 and 6,433.58 is: 9,644.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.83 : 20,725.50 = 6,433.58 : x
  2. Step 2: Convert to fraction form
    13,824.83/20,725.50 = 6,433.58/x
  3. Step 3: Cross multiply
    13,824.83x = 20,725.50 × 6,433.58
  4. Step 4: Simplify right side
    13,824.83x = 133,339,238.23
  5. Step 5: Solve for x
    x = 133,339,238.23/13,824.83
  6. Step 6: Final answer
    x = 9,644.91

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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.