Home / 19,859.58-29,779.65-11,092.14

Finding the Fourth Proportional to 19,859.58, 29,779.65 and 11,092.14

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Solution

The fourth proportional to 19,859.58, 29,779.65 and 11,092.14 is: 16,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.58 : 29,779.65 = 11,092.14 : x
  2. Step 2: Convert to fraction form
    19,859.58/29,779.65 = 11,092.14/x
  3. Step 3: Cross multiply
    19,859.58x = 29,779.65 × 11,092.14
  4. Step 4: Simplify right side
    19,859.58x = 330,320,046.95
  5. Step 5: Solve for x
    x = 330,320,046.95/19,859.58
  6. Step 6: Final answer
    x = 16,632.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.