Home / 14,195.22-19,570.32-9,940.56

Finding the Fourth Proportional to 14,195.22, 19,570.32 and 9,940.56

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Solution

The fourth proportional to 14,195.22, 19,570.32 and 9,940.56 is: 13,704.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.22 : 19,570.32 = 9,940.56 : x
  2. Step 2: Convert to fraction form
    14,195.22/19,570.32 = 9,940.56/x
  3. Step 3: Cross multiply
    14,195.22x = 19,570.32 × 9,940.56
  4. Step 4: Simplify right side
    14,195.22x = 194,539,940.18
  5. Step 5: Solve for x
    x = 194,539,940.18/14,195.22
  6. Step 6: Final answer
    x = 13,704.61

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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.