Home / 23,638.12-32,620.48-12,882.96

Finding the Fourth Proportional to 23,638.12, 32,620.48 and 12,882.96

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Solution

The fourth proportional to 23,638.12, 32,620.48 and 12,882.96 is: 17,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,638.12 : 32,620.48 = 12,882.96 : x
  2. Step 2: Convert to fraction form
    23,638.12/32,620.48 = 12,882.96/x
  3. Step 3: Cross multiply
    23,638.12x = 32,620.48 × 12,882.96
  4. Step 4: Simplify right side
    23,638.12x = 420,248,339.02
  5. Step 5: Solve for x
    x = 420,248,339.02/23,638.12
  6. Step 6: Final answer
    x = 17,778.42

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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.