Home / 14,174.91-21,256.22-4,311.89

Finding the Fourth Proportional to 14,174.91, 21,256.22 and 4,311.89

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Solution

The fourth proportional to 14,174.91, 21,256.22 and 4,311.89 is: 6,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174.91 : 21,256.22 = 4,311.89 : x
  2. Step 2: Convert to fraction form
    14,174.91/21,256.22 = 4,311.89/x
  3. Step 3: Cross multiply
    14,174.91x = 21,256.22 × 4,311.89
  4. Step 4: Simplify right side
    14,174.91x = 91,654,354.62
  5. Step 5: Solve for x
    x = 91,654,354.62/14,174.91
  6. Step 6: Final answer
    x = 6,465.96

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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.