Home / 16,939.77-25,376.84-8,180.83

Finding the Fourth Proportional to 16,939.77, 25,376.84 and 8,180.83

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Solution

The fourth proportional to 16,939.77, 25,376.84 and 8,180.83 is: 12,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.77 : 25,376.84 = 8,180.83 : x
  2. Step 2: Convert to fraction form
    16,939.77/25,376.84 = 8,180.83/x
  3. Step 3: Cross multiply
    16,939.77x = 25,376.84 × 8,180.83
  4. Step 4: Simplify right side
    16,939.77x = 207,603,681.49
  5. Step 5: Solve for x
    x = 207,603,681.49/16,939.77
  6. Step 6: Final answer
    x = 12,255.40

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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.