Home / 16,780.24-23,161.62-11,191.24

Finding the Fourth Proportional to 16,780.24, 23,161.62 and 11,191.24

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Solution

The fourth proportional to 16,780.24, 23,161.62 and 11,191.24 is: 15,447.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.24 : 23,161.62 = 11,191.24 : x
  2. Step 2: Convert to fraction form
    16,780.24/23,161.62 = 11,191.24/x
  3. Step 3: Cross multiply
    16,780.24x = 23,161.62 × 11,191.24
  4. Step 4: Simplify right side
    16,780.24x = 259,207,248.21
  5. Step 5: Solve for x
    x = 259,207,248.21/16,780.24
  6. Step 6: Final answer
    x = 15,447.17

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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.