Home / 16,906.28-25,382.40-9,515.93

Finding the Fourth Proportional to 16,906.28, 25,382.40 and 9,515.93

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Solution

The fourth proportional to 16,906.28, 25,382.40 and 9,515.93 is: 14,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,906.28 : 25,382.40 = 9,515.93 : x
  2. Step 2: Convert to fraction form
    16,906.28/25,382.40 = 9,515.93/x
  3. Step 3: Cross multiply
    16,906.28x = 25,382.40 × 9,515.93
  4. Step 4: Simplify right side
    16,906.28x = 241,537,141.63
  5. Step 5: Solve for x
    x = 241,537,141.63/16,906.28
  6. Step 6: Final answer
    x = 14,286.83

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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.