Home / 25,453.85-38,168.42-8,814.83

Finding the Fourth Proportional to 25,453.85, 38,168.42 and 8,814.83

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Solution

The fourth proportional to 25,453.85, 38,168.42 and 8,814.83 is: 13,217.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.85 : 38,168.42 = 8,814.83 : x
  2. Step 2: Convert to fraction form
    25,453.85/38,168.42 = 8,814.83/x
  3. Step 3: Cross multiply
    25,453.85x = 38,168.42 × 8,814.83
  4. Step 4: Simplify right side
    25,453.85x = 336,447,898.75
  5. Step 5: Solve for x
    x = 336,447,898.75/25,453.85
  6. Step 6: Final answer
    x = 13,217.96

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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.