Home / 14,151.41-21,226.90-3,621.34

Finding the Fourth Proportional to 14,151.41, 21,226.90 and 3,621.34

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Solution

The fourth proportional to 14,151.41, 21,226.90 and 3,621.34 is: 5,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.41 : 21,226.90 = 3,621.34 : x
  2. Step 2: Convert to fraction form
    14,151.41/21,226.90 = 3,621.34/x
  3. Step 3: Cross multiply
    14,151.41x = 21,226.90 × 3,621.34
  4. Step 4: Simplify right side
    14,151.41x = 76,869,822.05
  5. Step 5: Solve for x
    x = 76,869,822.05/14,151.41
  6. Step 6: Final answer
    x = 5,431.95

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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.