Home / 14,013.24-20,910.54-12,771.24

Finding the Fourth Proportional to 14,013.24, 20,910.54 and 12,771.24

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Solution

The fourth proportional to 14,013.24, 20,910.54 and 12,771.24 is: 19,057.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.24 : 20,910.54 = 12,771.24 : x
  2. Step 2: Convert to fraction form
    14,013.24/20,910.54 = 12,771.24/x
  3. Step 3: Cross multiply
    14,013.24x = 20,910.54 × 12,771.24
  4. Step 4: Simplify right side
    14,013.24x = 267,053,524.87
  5. Step 5: Solve for x
    x = 267,053,524.87/14,013.24
  6. Step 6: Final answer
    x = 19,057.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.