Home / 25,731.14-38,611.44-13,884.89

Finding the Fourth Proportional to 25,731.14, 38,611.44 and 13,884.89

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Solution

The fourth proportional to 25,731.14, 38,611.44 and 13,884.89 is: 20,835.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,731.14 : 38,611.44 = 13,884.89 : x
  2. Step 2: Convert to fraction form
    25,731.14/38,611.44 = 13,884.89/x
  3. Step 3: Cross multiply
    25,731.14x = 38,611.44 × 13,884.89
  4. Step 4: Simplify right side
    25,731.14x = 536,115,404.08
  5. Step 5: Solve for x
    x = 536,115,404.08/25,731.14
  6. Step 6: Final answer
    x = 20,835.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.