Home / 16,861.88-25,292.72-5,174.76

Finding the Fourth Proportional to 16,861.88, 25,292.72 and 5,174.76

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Solution

The fourth proportional to 16,861.88, 25,292.72 and 5,174.76 is: 7,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.88 : 25,292.72 = 5,174.76 : x
  2. Step 2: Convert to fraction form
    16,861.88/25,292.72 = 5,174.76/x
  3. Step 3: Cross multiply
    16,861.88x = 25,292.72 × 5,174.76
  4. Step 4: Simplify right side
    16,861.88x = 130,883,755.75
  5. Step 5: Solve for x
    x = 130,883,755.75/16,861.88
  6. Step 6: Final answer
    x = 7,762.11

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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.