Home / 14,157.25-21,241.69-6,255.59

Finding the Fourth Proportional to 14,157.25, 21,241.69 and 6,255.59

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Solution

The fourth proportional to 14,157.25, 21,241.69 and 6,255.59 is: 9,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.25 : 21,241.69 = 6,255.59 : x
  2. Step 2: Convert to fraction form
    14,157.25/21,241.69 = 6,255.59/x
  3. Step 3: Cross multiply
    14,157.25x = 21,241.69 × 6,255.59
  4. Step 4: Simplify right side
    14,157.25x = 132,879,181.70
  5. Step 5: Solve for x
    x = 132,879,181.70/14,157.25
  6. Step 6: Final answer
    x = 9,385.95

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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.