Home / 16,731.61-23,091.11-9,179.41

Finding the Fourth Proportional to 16,731.61, 23,091.11 and 9,179.41

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Solution

The fourth proportional to 16,731.61, 23,091.11 and 9,179.41 is: 12,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731.61 : 23,091.11 = 9,179.41 : x
  2. Step 2: Convert to fraction form
    16,731.61/23,091.11 = 9,179.41/x
  3. Step 3: Cross multiply
    16,731.61x = 23,091.11 × 9,179.41
  4. Step 4: Simplify right side
    16,731.61x = 211,962,740.14
  5. Step 5: Solve for x
    x = 211,962,740.14/16,731.61
  6. Step 6: Final answer
    x = 12,668.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.