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Finding the Fourth Proportional to 14,219, 21,334.18 and 7,195.22

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Solution

The fourth proportional to 14,219, 21,334.18 and 7,195.22 is: 10,795.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219 : 21,334.18 = 7,195.22 : x
  2. Step 2: Convert to fraction form
    14,219/21,334.18 = 7,195.22/x
  3. Step 3: Cross multiply
    14,219x = 21,334.18 × 7,195.22
  4. Step 4: Simplify right side
    14,219x = 153,504,118.62
  5. Step 5: Solve for x
    x = 153,504,118.62/14,219
  6. Step 6: Final answer
    x = 10,795.70

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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.