Home / 19,311.24-26,645.20-11,761.52

Finding the Fourth Proportional to 19,311.24, 26,645.20 and 11,761.52

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Solution

The fourth proportional to 19,311.24, 26,645.20 and 11,761.52 is: 16,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.24 : 26,645.20 = 11,761.52 : x
  2. Step 2: Convert to fraction form
    19,311.24/26,645.20 = 11,761.52/x
  3. Step 3: Cross multiply
    19,311.24x = 26,645.20 × 11,761.52
  4. Step 4: Simplify right side
    19,311.24x = 313,388,052.70
  5. Step 5: Solve for x
    x = 313,388,052.70/19,311.24
  6. Step 6: Final answer
    x = 16,228.27

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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.