Home / 17,768.69-24,520.33-11,711.51

Finding the Fourth Proportional to 17,768.69, 24,520.33 and 11,711.51

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Solution

The fourth proportional to 17,768.69, 24,520.33 and 11,711.51 is: 16,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.69 : 24,520.33 = 11,711.51 : x
  2. Step 2: Convert to fraction form
    17,768.69/24,520.33 = 11,711.51/x
  3. Step 3: Cross multiply
    17,768.69x = 24,520.33 × 11,711.51
  4. Step 4: Simplify right side
    17,768.69x = 287,170,090.00
  5. Step 5: Solve for x
    x = 287,170,090.00/17,768.69
  6. Step 6: Final answer
    x = 16,161.58

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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.