Home / 13,553.46-20,333.70-4,789.26

Finding the Fourth Proportional to 13,553.46, 20,333.70 and 4,789.26

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Solution

The fourth proportional to 13,553.46, 20,333.70 and 4,789.26 is: 7,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.46 : 20,333.70 = 4,789.26 : x
  2. Step 2: Convert to fraction form
    13,553.46/20,333.70 = 4,789.26/x
  3. Step 3: Cross multiply
    13,553.46x = 20,333.70 × 4,789.26
  4. Step 4: Simplify right side
    13,553.46x = 97,383,376.06
  5. Step 5: Solve for x
    x = 97,383,376.06/13,553.46
  6. Step 6: Final answer
    x = 7,185.13

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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.