Home / 23,515.11-32,450.22-12,905.73

Finding the Fourth Proportional to 23,515.11, 32,450.22 and 12,905.73

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Solution

The fourth proportional to 23,515.11, 32,450.22 and 12,905.73 is: 17,809.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.11 : 32,450.22 = 12,905.73 : x
  2. Step 2: Convert to fraction form
    23,515.11/32,450.22 = 12,905.73/x
  3. Step 3: Cross multiply
    23,515.11x = 32,450.22 × 12,905.73
  4. Step 4: Simplify right side
    23,515.11x = 418,793,777.76
  5. Step 5: Solve for x
    x = 418,793,777.76/23,515.11
  6. Step 6: Final answer
    x = 17,809.56

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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.