Home / 14,082.10-21,123.15-3,694.90

Finding the Fourth Proportional to 14,082.10, 21,123.15 and 3,694.90

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Solution

The fourth proportional to 14,082.10, 21,123.15 and 3,694.90 is: 5,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,082.10 : 21,123.15 = 3,694.90 : x
  2. Step 2: Convert to fraction form
    14,082.10/21,123.15 = 3,694.90/x
  3. Step 3: Cross multiply
    14,082.10x = 21,123.15 × 3,694.90
  4. Step 4: Simplify right side
    14,082.10x = 78,047,926.94
  5. Step 5: Solve for x
    x = 78,047,926.94/14,082.10
  6. Step 6: Final answer
    x = 5,542.35

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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.