Home / 16,921.94-25,382.91-4,609.94

Finding the Fourth Proportional to 16,921.94, 25,382.91 and 4,609.94

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Solution

The fourth proportional to 16,921.94, 25,382.91 and 4,609.94 is: 6,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.94 : 25,382.91 = 4,609.94 : x
  2. Step 2: Convert to fraction form
    16,921.94/25,382.91 = 4,609.94/x
  3. Step 3: Cross multiply
    16,921.94x = 25,382.91 × 4,609.94
  4. Step 4: Simplify right side
    16,921.94x = 117,013,617.14
  5. Step 5: Solve for x
    x = 117,013,617.14/16,921.94
  6. Step 6: Final answer
    x = 6,914.91

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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.