Home / 23,942.85-33,041.20-13,187.47

Finding the Fourth Proportional to 23,942.85, 33,041.20 and 13,187.47

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Solution

The fourth proportional to 23,942.85, 33,041.20 and 13,187.47 is: 18,198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,942.85 : 33,041.20 = 13,187.47 : x
  2. Step 2: Convert to fraction form
    23,942.85/33,041.20 = 13,187.47/x
  3. Step 3: Cross multiply
    23,942.85x = 33,041.20 × 13,187.47
  4. Step 4: Simplify right side
    23,942.85x = 435,729,833.76
  5. Step 5: Solve for x
    x = 435,729,833.76/23,942.85
  6. Step 6: Final answer
    x = 18,198.75

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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.