Home / 19,199.15-28,733.70-11,808.29

Finding the Fourth Proportional to 19,199.15, 28,733.70 and 11,808.29

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Solution

The fourth proportional to 19,199.15, 28,733.70 and 11,808.29 is: 17,672.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.15 : 28,733.70 = 11,808.29 : x
  2. Step 2: Convert to fraction form
    19,199.15/28,733.70 = 11,808.29/x
  3. Step 3: Cross multiply
    19,199.15x = 28,733.70 × 11,808.29
  4. Step 4: Simplify right side
    19,199.15x = 339,295,862.37
  5. Step 5: Solve for x
    x = 339,295,862.37/19,199.15
  6. Step 6: Final answer
    x = 17,672.44

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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.