Home / 14,190.75-19,550.63-11,205.50

Finding the Fourth Proportional to 14,190.75, 19,550.63 and 11,205.50

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Solution

The fourth proportional to 14,190.75, 19,550.63 and 11,205.50 is: 15,437.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.75 : 19,550.63 = 11,205.50 : x
  2. Step 2: Convert to fraction form
    14,190.75/19,550.63 = 11,205.50/x
  3. Step 3: Cross multiply
    14,190.75x = 19,550.63 × 11,205.50
  4. Step 4: Simplify right side
    14,190.75x = 219,074,514.73
  5. Step 5: Solve for x
    x = 219,074,514.73/14,190.75
  6. Step 6: Final answer
    x = 15,437.84

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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.