Home / 23,450.43-32,361.74-13,378.78

Finding the Fourth Proportional to 23,450.43, 32,361.74 and 13,378.78

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Solution

The fourth proportional to 23,450.43, 32,361.74 and 13,378.78 is: 18,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,450.43 : 32,361.74 = 13,378.78 : x
  2. Step 2: Convert to fraction form
    23,450.43/32,361.74 = 13,378.78/x
  3. Step 3: Cross multiply
    23,450.43x = 32,361.74 × 13,378.78
  4. Step 4: Simplify right side
    23,450.43x = 432,960,599.88
  5. Step 5: Solve for x
    x = 432,960,599.88/23,450.43
  6. Step 6: Final answer
    x = 18,462.80

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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.