Home / 14,183.34-21,278.25-6,789.66

Finding the Fourth Proportional to 14,183.34, 21,278.25 and 6,789.66

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Solution

The fourth proportional to 14,183.34, 21,278.25 and 6,789.66 is: 10,186.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.34 : 21,278.25 = 6,789.66 : x
  2. Step 2: Convert to fraction form
    14,183.34/21,278.25 = 6,789.66/x
  3. Step 3: Cross multiply
    14,183.34x = 21,278.25 × 6,789.66
  4. Step 4: Simplify right side
    14,183.34x = 144,472,082.90
  5. Step 5: Solve for x
    x = 144,472,082.90/14,183.34
  6. Step 6: Final answer
    x = 10,186.04

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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.