Home / 16,827.50-23,200.38-13,791.44

Finding the Fourth Proportional to 16,827.50, 23,200.38 and 13,791.44

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Solution

The fourth proportional to 16,827.50, 23,200.38 and 13,791.44 is: 19,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,827.50 : 23,200.38 = 13,791.44 : x
  2. Step 2: Convert to fraction form
    16,827.50/23,200.38 = 13,791.44/x
  3. Step 3: Cross multiply
    16,827.50x = 23,200.38 × 13,791.44
  4. Step 4: Simplify right side
    16,827.50x = 319,966,648.75
  5. Step 5: Solve for x
    x = 319,966,648.75/16,827.50
  6. Step 6: Final answer
    x = 19,014.51

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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.