Home / 14,346.42-21,520.87-3,958.17

Finding the Fourth Proportional to 14,346.42, 21,520.87 and 3,958.17

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Solution

The fourth proportional to 14,346.42, 21,520.87 and 3,958.17 is: 5,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.42 : 21,520.87 = 3,958.17 : x
  2. Step 2: Convert to fraction form
    14,346.42/21,520.87 = 3,958.17/x
  3. Step 3: Cross multiply
    14,346.42x = 21,520.87 × 3,958.17
  4. Step 4: Simplify right side
    14,346.42x = 85,183,314.73
  5. Step 5: Solve for x
    x = 85,183,314.73/14,346.42
  6. Step 6: Final answer
    x = 5,937.60

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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.