Home / 20,196.51-30,247.74-19,495.86

Finding the Fourth Proportional to 20,196.51, 30,247.74 and 19,495.86

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Solution

The fourth proportional to 20,196.51, 30,247.74 and 19,495.86 is: 29,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.51 : 30,247.74 = 19,495.86 : x
  2. Step 2: Convert to fraction form
    20,196.51/30,247.74 = 19,495.86/x
  3. Step 3: Cross multiply
    20,196.51x = 30,247.74 × 19,495.86
  4. Step 4: Simplify right side
    20,196.51x = 589,705,704.36
  5. Step 5: Solve for x
    x = 589,705,704.36/20,196.51
  6. Step 6: Final answer
    x = 29,198.40

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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.