Home / 23,378.22-32,262.30-12,768.84

Finding the Fourth Proportional to 23,378.22, 32,262.30 and 12,768.84

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Solution

The fourth proportional to 23,378.22, 32,262.30 and 12,768.84 is: 17,621.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,378.22 : 32,262.30 = 12,768.84 : x
  2. Step 2: Convert to fraction form
    23,378.22/32,262.30 = 12,768.84/x
  3. Step 3: Cross multiply
    23,378.22x = 32,262.30 × 12,768.84
  4. Step 4: Simplify right side
    23,378.22x = 411,952,146.73
  5. Step 5: Solve for x
    x = 411,952,146.73/23,378.22
  6. Step 6: Final answer
    x = 17,621.19

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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.