Home / 19,860.58-29,781.15-11,093.14

Finding the Fourth Proportional to 19,860.58, 29,781.15 and 11,093.14

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Solution

The fourth proportional to 19,860.58, 29,781.15 and 11,093.14 is: 16,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.58 : 29,781.15 = 11,093.14 : x
  2. Step 2: Convert to fraction form
    19,860.58/29,781.15 = 11,093.14/x
  3. Step 3: Cross multiply
    19,860.58x = 29,781.15 × 11,093.14
  4. Step 4: Simplify right side
    19,860.58x = 330,366,466.31
  5. Step 5: Solve for x
    x = 330,366,466.31/19,860.58
  6. Step 6: Final answer
    x = 16,634.28

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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.