Home / 14,575.70-21,863.55-7,181.30

Finding the Fourth Proportional to 14,575.70, 21,863.55 and 7,181.30

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Solution

The fourth proportional to 14,575.70, 21,863.55 and 7,181.30 is: 10,771.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.70 : 21,863.55 = 7,181.30 : x
  2. Step 2: Convert to fraction form
    14,575.70/21,863.55 = 7,181.30/x
  3. Step 3: Cross multiply
    14,575.70x = 21,863.55 × 7,181.30
  4. Step 4: Simplify right side
    14,575.70x = 157,008,711.62
  5. Step 5: Solve for x
    x = 157,008,711.62/14,575.70
  6. Step 6: Final answer
    x = 10,771.95

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Similar ratio
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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.