Home / 38,148.88-57,218.44-11,853.04

Finding the Fourth Proportional to 38,148.88, 57,218.44 and 11,853.04

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Solution

The fourth proportional to 38,148.88, 57,218.44 and 11,853.04 is: 17,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,148.88 : 57,218.44 = 11,853.04 : x
  2. Step 2: Convert to fraction form
    38,148.88/57,218.44 = 11,853.04/x
  3. Step 3: Cross multiply
    38,148.88x = 57,218.44 × 11,853.04
  4. Step 4: Simplify right side
    38,148.88x = 678,212,458.06
  5. Step 5: Solve for x
    x = 678,212,458.06/38,148.88
  6. Step 6: Final answer
    x = 17,778.04

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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.