Home / 15,876.72-23,814.72-4,190.76

Finding the Fourth Proportional to 15,876.72, 23,814.72 and 4,190.76

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Solution

The fourth proportional to 15,876.72, 23,814.72 and 4,190.76 is: 6,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876.72 : 23,814.72 = 4,190.76 : x
  2. Step 2: Convert to fraction form
    15,876.72/23,814.72 = 4,190.76/x
  3. Step 3: Cross multiply
    15,876.72x = 23,814.72 × 4,190.76
  4. Step 4: Simplify right side
    15,876.72x = 99,801,775.99
  5. Step 5: Solve for x
    x = 99,801,775.99/15,876.72
  6. Step 6: Final answer
    x = 6,286.04

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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.