Home / 17,970.37-24,791.91-11,161.20

Finding the Fourth Proportional to 17,970.37, 24,791.91 and 11,161.20

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Solution

The fourth proportional to 17,970.37, 24,791.91 and 11,161.20 is: 15,397.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,970.37 : 24,791.91 = 11,161.20 : x
  2. Step 2: Convert to fraction form
    17,970.37/24,791.91 = 11,161.20/x
  3. Step 3: Cross multiply
    17,970.37x = 24,791.91 × 11,161.20
  4. Step 4: Simplify right side
    17,970.37x = 276,707,517.01
  5. Step 5: Solve for x
    x = 276,707,517.01/17,970.37
  6. Step 6: Final answer
    x = 15,397.99

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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.