Home / 20,077.14-30,052.56-13,800.44

Finding the Fourth Proportional to 20,077.14, 30,052.56 and 13,800.44

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Solution

The fourth proportional to 20,077.14, 30,052.56 and 13,800.44 is: 20,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,077.14 : 30,052.56 = 13,800.44 : x
  2. Step 2: Convert to fraction form
    20,077.14/30,052.56 = 13,800.44/x
  3. Step 3: Cross multiply
    20,077.14x = 30,052.56 × 13,800.44
  4. Step 4: Simplify right side
    20,077.14x = 414,738,551.13
  5. Step 5: Solve for x
    x = 414,738,551.13/20,077.14
  6. Step 6: Final answer
    x = 20,657.25

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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.