Home / 25,625.44-38,438.16-7,156.96

Finding the Fourth Proportional to 25,625.44, 38,438.16 and 7,156.96

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Solution

The fourth proportional to 25,625.44, 38,438.16 and 7,156.96 is: 10,735.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,625.44 : 38,438.16 = 7,156.96 : x
  2. Step 2: Convert to fraction form
    25,625.44/38,438.16 = 7,156.96/x
  3. Step 3: Cross multiply
    25,625.44x = 38,438.16 × 7,156.96
  4. Step 4: Simplify right side
    25,625.44x = 275,100,373.59
  5. Step 5: Solve for x
    x = 275,100,373.59/25,625.44
  6. Step 6: Final answer
    x = 10,735.44

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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.