Home / 16,960.96-23,385.76-10,990.44

Finding the Fourth Proportional to 16,960.96, 23,385.76 and 10,990.44

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Solution

The fourth proportional to 16,960.96, 23,385.76 and 10,990.44 is: 15,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,960.96 : 23,385.76 = 10,990.44 : x
  2. Step 2: Convert to fraction form
    16,960.96/23,385.76 = 10,990.44/x
  3. Step 3: Cross multiply
    16,960.96x = 23,385.76 × 10,990.44
  4. Step 4: Simplify right side
    16,960.96x = 257,019,792.13
  5. Step 5: Solve for x
    x = 257,019,792.13/16,960.96
  6. Step 6: Final answer
    x = 15,153.61

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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.