Home / 38,191.72-57,273.91-13,225.07

Finding the Fourth Proportional to 38,191.72, 57,273.91 and 13,225.07

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Solution

The fourth proportional to 38,191.72, 57,273.91 and 13,225.07 is: 19,832.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,191.72 : 57,273.91 = 13,225.07 : x
  2. Step 2: Convert to fraction form
    38,191.72/57,273.91 = 13,225.07/x
  3. Step 3: Cross multiply
    38,191.72x = 57,273.91 × 13,225.07
  4. Step 4: Simplify right side
    38,191.72x = 757,451,116.43
  5. Step 5: Solve for x
    x = 757,451,116.43/38,191.72
  6. Step 6: Final answer
    x = 19,832.86

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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.