Home / 23,379.29-32,262.90-12,768.96

Finding the Fourth Proportional to 23,379.29, 32,262.90 and 12,768.96

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Solution

The fourth proportional to 23,379.29, 32,262.90 and 12,768.96 is: 17,620.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,379.29 : 32,262.90 = 12,768.96 : x
  2. Step 2: Convert to fraction form
    23,379.29/32,262.90 = 12,768.96/x
  3. Step 3: Cross multiply
    23,379.29x = 32,262.90 × 12,768.96
  4. Step 4: Simplify right side
    23,379.29x = 411,963,679.58
  5. Step 5: Solve for x
    x = 411,963,679.58/23,379.29
  6. Step 6: Final answer
    x = 17,620.88

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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.