Home / 14,074.58-19,421.85-7,786.82

Finding the Fourth Proportional to 14,074.58, 19,421.85 and 7,786.82

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Solution

The fourth proportional to 14,074.58, 19,421.85 and 7,786.82 is: 10,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.58 : 19,421.85 = 7,786.82 : x
  2. Step 2: Convert to fraction form
    14,074.58/19,421.85 = 7,786.82/x
  3. Step 3: Cross multiply
    14,074.58x = 19,421.85 × 7,786.82
  4. Step 4: Simplify right side
    14,074.58x = 151,234,450.02
  5. Step 5: Solve for x
    x = 151,234,450.02/14,074.58
  6. Step 6: Final answer
    x = 10,745.22

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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.