Home / 23,378.82-32,262.27-12,768.49

Finding the Fourth Proportional to 23,378.82, 32,262.27 and 12,768.49

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Solution

The fourth proportional to 23,378.82, 32,262.27 and 12,768.49 is: 17,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,378.82 : 32,262.27 = 12,768.49 : x
  2. Step 2: Convert to fraction form
    23,378.82/32,262.27 = 12,768.49/x
  3. Step 3: Cross multiply
    23,378.82x = 32,262.27 × 12,768.49
  4. Step 4: Simplify right side
    23,378.82x = 411,940,552.53
  5. Step 5: Solve for x
    x = 411,940,552.53/23,378.82
  6. Step 6: Final answer
    x = 17,620.25

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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.