Home / 14,123.85-21,185.90-3,593.88

Finding the Fourth Proportional to 14,123.85, 21,185.90 and 3,593.88

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Solution

The fourth proportional to 14,123.85, 21,185.90 and 3,593.88 is: 5,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.85 : 21,185.90 = 3,593.88 : x
  2. Step 2: Convert to fraction form
    14,123.85/21,185.90 = 3,593.88/x
  3. Step 3: Cross multiply
    14,123.85x = 21,185.90 × 3,593.88
  4. Step 4: Simplify right side
    14,123.85x = 76,139,582.29
  5. Step 5: Solve for x
    x = 76,139,582.29/14,123.85
  6. Step 6: Final answer
    x = 5,390.85

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Double scale
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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.