Home / 14,161.13-19,539.80-8,028.85

Finding the Fourth Proportional to 14,161.13, 19,539.80 and 8,028.85

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Solution

The fourth proportional to 14,161.13, 19,539.80 and 8,028.85 is: 11,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.13 : 19,539.80 = 8,028.85 : x
  2. Step 2: Convert to fraction form
    14,161.13/19,539.80 = 8,028.85/x
  3. Step 3: Cross multiply
    14,161.13x = 19,539.80 × 8,028.85
  4. Step 4: Simplify right side
    14,161.13x = 156,882,108.51
  5. Step 5: Solve for x
    x = 156,882,108.51/14,161.13
  6. Step 6: Final answer
    x = 11,078.36

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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.