Home / 19,674.86-27,151.28-11,717.42

Finding the Fourth Proportional to 19,674.86, 27,151.28 and 11,717.42

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Solution

The fourth proportional to 19,674.86, 27,151.28 and 11,717.42 is: 16,170.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,674.86 : 27,151.28 = 11,717.42 : x
  2. Step 2: Convert to fraction form
    19,674.86/27,151.28 = 11,717.42/x
  3. Step 3: Cross multiply
    19,674.86x = 27,151.28 × 11,717.42
  4. Step 4: Simplify right side
    19,674.86x = 318,142,951.30
  5. Step 5: Solve for x
    x = 318,142,951.30/19,674.86
  6. Step 6: Final answer
    x = 16,170.02

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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.