Home / 21,451.48-29,604.94-12,022.04

Finding the Fourth Proportional to 21,451.48, 29,604.94 and 12,022.04

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Solution

The fourth proportional to 21,451.48, 29,604.94 and 12,022.04 is: 16,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,451.48 : 29,604.94 = 12,022.04 : x
  2. Step 2: Convert to fraction form
    21,451.48/29,604.94 = 12,022.04/x
  3. Step 3: Cross multiply
    21,451.48x = 29,604.94 × 12,022.04
  4. Step 4: Simplify right side
    21,451.48x = 355,911,772.88
  5. Step 5: Solve for x
    x = 355,911,772.88/21,451.48
  6. Step 6: Final answer
    x = 16,591.48

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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.