Home / 19,630.17-27,086.67-12,077.73

Finding the Fourth Proportional to 19,630.17, 27,086.67 and 12,077.73

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Solution

The fourth proportional to 19,630.17, 27,086.67 and 12,077.73 is: 16,665.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.17 : 27,086.67 = 12,077.73 : x
  2. Step 2: Convert to fraction form
    19,630.17/27,086.67 = 12,077.73/x
  3. Step 3: Cross multiply
    19,630.17x = 27,086.67 × 12,077.73
  4. Step 4: Simplify right side
    19,630.17x = 327,145,486.86
  5. Step 5: Solve for x
    x = 327,145,486.86/19,630.17
  6. Step 6: Final answer
    x = 16,665.44

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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.