Home / 23,815.62-32,865.75-13,205.43

Finding the Fourth Proportional to 23,815.62, 32,865.75 and 13,205.43

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Solution

The fourth proportional to 23,815.62, 32,865.75 and 13,205.43 is: 18,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,815.62 : 32,865.75 = 13,205.43 : x
  2. Step 2: Convert to fraction form
    23,815.62/32,865.75 = 13,205.43/x
  3. Step 3: Cross multiply
    23,815.62x = 32,865.75 × 13,205.43
  4. Step 4: Simplify right side
    23,815.62x = 434,006,361.02
  5. Step 5: Solve for x
    x = 434,006,361.02/23,815.62
  6. Step 6: Final answer
    x = 18,223.60

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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.