Home / 16,863.71-23,273.18-9,791.21

Finding the Fourth Proportional to 16,863.71, 23,273.18 and 9,791.21

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Solution

The fourth proportional to 16,863.71, 23,273.18 and 9,791.21 is: 13,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.71 : 23,273.18 = 9,791.21 : x
  2. Step 2: Convert to fraction form
    16,863.71/23,273.18 = 9,791.21/x
  3. Step 3: Cross multiply
    16,863.71x = 23,273.18 × 9,791.21
  4. Step 4: Simplify right side
    16,863.71x = 227,872,543.79
  5. Step 5: Solve for x
    x = 227,872,543.79/16,863.71
  6. Step 6: Final answer
    x = 13,512.60

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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.