Home / 14,452.13-21,665.05-5,561.78

Finding the Fourth Proportional to 14,452.13, 21,665.05 and 5,561.78

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Solution

The fourth proportional to 14,452.13, 21,665.05 and 5,561.78 is: 8,337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452.13 : 21,665.05 = 5,561.78 : x
  2. Step 2: Convert to fraction form
    14,452.13/21,665.05 = 5,561.78/x
  3. Step 3: Cross multiply
    14,452.13x = 21,665.05 × 5,561.78
  4. Step 4: Simplify right side
    14,452.13x = 120,496,213.98
  5. Step 5: Solve for x
    x = 120,496,213.98/14,452.13
  6. Step 6: Final answer
    x = 8,337.61

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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.