Home / 19,732.86-27,218.64-12,072.54

Finding the Fourth Proportional to 19,732.86, 27,218.64 and 12,072.54

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Solution

The fourth proportional to 19,732.86, 27,218.64 and 12,072.54 is: 16,652.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,732.86 : 27,218.64 = 12,072.54 : x
  2. Step 2: Convert to fraction form
    19,732.86/27,218.64 = 12,072.54/x
  3. Step 3: Cross multiply
    19,732.86x = 27,218.64 × 12,072.54
  4. Step 4: Simplify right side
    19,732.86x = 328,598,120.15
  5. Step 5: Solve for x
    x = 328,598,120.15/19,732.86
  6. Step 6: Final answer
    x = 16,652.33

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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.