Home / 24,198.75-36,440.25-21,115.53

Finding the Fourth Proportional to 24,198.75, 36,440.25 and 21,115.53

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Solution

The fourth proportional to 24,198.75, 36,440.25 and 21,115.53 is: 31,797.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,198.75 : 36,440.25 = 21,115.53 : x
  2. Step 2: Convert to fraction form
    24,198.75/36,440.25 = 21,115.53/x
  3. Step 3: Cross multiply
    24,198.75x = 36,440.25 × 21,115.53
  4. Step 4: Simplify right side
    24,198.75x = 769,455,192.08
  5. Step 5: Solve for x
    x = 769,455,192.08/24,198.75
  6. Step 6: Final answer
    x = 31,797.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.