Home / 14,105.24-21,161.70-4,872.60

Finding the Fourth Proportional to 14,105.24, 21,161.70 and 4,872.60

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Solution

The fourth proportional to 14,105.24, 21,161.70 and 4,872.60 is: 7,310.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.24 : 21,161.70 = 4,872.60 : x
  2. Step 2: Convert to fraction form
    14,105.24/21,161.70 = 4,872.60/x
  3. Step 3: Cross multiply
    14,105.24x = 21,161.70 × 4,872.60
  4. Step 4: Simplify right side
    14,105.24x = 103,112,499.42
  5. Step 5: Solve for x
    x = 103,112,499.42/14,105.24
  6. Step 6: Final answer
    x = 7,310.23

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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.