Home / 38,149.88-57,219.94-11,854.04

Finding the Fourth Proportional to 38,149.88, 57,219.94 and 11,854.04

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Solution

The fourth proportional to 38,149.88, 57,219.94 and 11,854.04 is: 17,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,149.88 : 57,219.94 = 11,854.04 : x
  2. Step 2: Convert to fraction form
    38,149.88/57,219.94 = 11,854.04/x
  3. Step 3: Cross multiply
    38,149.88x = 57,219.94 × 11,854.04
  4. Step 4: Simplify right side
    38,149.88x = 678,287,457.56
  5. Step 5: Solve for x
    x = 678,287,457.56/38,149.88
  6. Step 6: Final answer
    x = 17,779.54

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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.