Home / 23,819.34-32,872.66-13,212.40

Finding the Fourth Proportional to 23,819.34, 32,872.66 and 13,212.40

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Solution

The fourth proportional to 23,819.34, 32,872.66 and 13,212.40 is: 18,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,819.34 : 32,872.66 = 13,212.40 : x
  2. Step 2: Convert to fraction form
    23,819.34/32,872.66 = 13,212.40/x
  3. Step 3: Cross multiply
    23,819.34x = 32,872.66 × 13,212.40
  4. Step 4: Simplify right side
    23,819.34x = 434,326,732.98
  5. Step 5: Solve for x
    x = 434,326,732.98/23,819.34
  6. Step 6: Final answer
    x = 18,234.21

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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.