Home / 16,810.82-23,199-9,154.04

Finding the Fourth Proportional to 16,810.82, 23,199 and 9,154.04

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Solution

The fourth proportional to 16,810.82, 23,199 and 9,154.04 is: 12,632.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,810.82 : 23,199 = 9,154.04 : x
  2. Step 2: Convert to fraction form
    16,810.82/23,199 = 9,154.04/x
  3. Step 3: Cross multiply
    16,810.82x = 23,199 × 9,154.04
  4. Step 4: Simplify right side
    16,810.82x = 212,364,573.96
  5. Step 5: Solve for x
    x = 212,364,573.96/16,810.82
  6. Step 6: Final answer
    x = 12,632.61

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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.