Home / 16,861.07-25,279.12-8,087.63

Finding the Fourth Proportional to 16,861.07, 25,279.12 and 8,087.63

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Solution

The fourth proportional to 16,861.07, 25,279.12 and 8,087.63 is: 12,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.07 : 25,279.12 = 8,087.63 : x
  2. Step 2: Convert to fraction form
    16,861.07/25,279.12 = 8,087.63/x
  3. Step 3: Cross multiply
    16,861.07x = 25,279.12 × 8,087.63
  4. Step 4: Simplify right side
    16,861.07x = 204,448,169.29
  5. Step 5: Solve for x
    x = 204,448,169.29/16,861.07
  6. Step 6: Final answer
    x = 12,125.46

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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.