Home / 63,191.38-94,786.08-18,818.38

Finding the Fourth Proportional to 63,191.38, 94,786.08 and 18,818.38

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Solution

The fourth proportional to 63,191.38, 94,786.08 and 18,818.38 is: 28,227.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,191.38 : 94,786.08 = 18,818.38 : x
  2. Step 2: Convert to fraction form
    63,191.38/94,786.08 = 18,818.38/x
  3. Step 3: Cross multiply
    63,191.38x = 94,786.08 × 18,818.38
  4. Step 4: Simplify right side
    63,191.38x = 1,783,720,472.15
  5. Step 5: Solve for x
    x = 1,783,720,472.15/63,191.38
  6. Step 6: Final answer
    x = 28,227.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.