Home / 14,131.26-19,452.20-12,216.20

Finding the Fourth Proportional to 14,131.26, 19,452.20 and 12,216.20

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Solution

The fourth proportional to 14,131.26, 19,452.20 and 12,216.20 is: 16,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.26 : 19,452.20 = 12,216.20 : x
  2. Step 2: Convert to fraction form
    14,131.26/19,452.20 = 12,216.20/x
  3. Step 3: Cross multiply
    14,131.26x = 19,452.20 × 12,216.20
  4. Step 4: Simplify right side
    14,131.26x = 237,631,947.55
  5. Step 5: Solve for x
    x = 237,631,947.55/14,131.26
  6. Step 6: Final answer
    x = 16,816.05

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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.