Home / 38,157.74-57,236.72-11,862.48

Finding the Fourth Proportional to 38,157.74, 57,236.72 and 11,862.48

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Solution

The fourth proportional to 38,157.74, 57,236.72 and 11,862.48 is: 17,793.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,157.74 : 57,236.72 = 11,862.48 : x
  2. Step 2: Convert to fraction form
    38,157.74/57,236.72 = 11,862.48/x
  3. Step 3: Cross multiply
    38,157.74x = 57,236.72 × 11,862.48
  4. Step 4: Simplify right side
    38,157.74x = 678,969,386.95
  5. Step 5: Solve for x
    x = 678,969,386.95/38,157.74
  6. Step 6: Final answer
    x = 17,793.75

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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.