Home / 20,262.80-27,975.30-13,096.46

Finding the Fourth Proportional to 20,262.80, 27,975.30 and 13,096.46

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Solution

The fourth proportional to 20,262.80, 27,975.30 and 13,096.46 is: 18,081.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.80 : 27,975.30 = 13,096.46 : x
  2. Step 2: Convert to fraction form
    20,262.80/27,975.30 = 13,096.46/x
  3. Step 3: Cross multiply
    20,262.80x = 27,975.30 × 13,096.46
  4. Step 4: Simplify right side
    20,262.80x = 366,377,397.44
  5. Step 5: Solve for x
    x = 366,377,397.44/20,262.80
  6. Step 6: Final answer
    x = 18,081.28

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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.