Home / 19,311.20-26,661.50-14,826.03

Finding the Fourth Proportional to 19,311.20, 26,661.50 and 14,826.03

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Solution

The fourth proportional to 19,311.20, 26,661.50 and 14,826.03 is: 20,469.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.20 : 26,661.50 = 14,826.03 : x
  2. Step 2: Convert to fraction form
    19,311.20/26,661.50 = 14,826.03/x
  3. Step 3: Cross multiply
    19,311.20x = 26,661.50 × 14,826.03
  4. Step 4: Simplify right side
    19,311.20x = 395,284,198.85
  5. Step 5: Solve for x
    x = 395,284,198.85/19,311.20
  6. Step 6: Final answer
    x = 20,469.17

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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.