Home / 38,098.75-57,151.88-13,135.51

Finding the Fourth Proportional to 38,098.75, 57,151.88 and 13,135.51

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Solution

The fourth proportional to 38,098.75, 57,151.88 and 13,135.51 is: 19,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,098.75 : 57,151.88 = 13,135.51 : x
  2. Step 2: Convert to fraction form
    38,098.75/57,151.88 = 13,135.51/x
  3. Step 3: Cross multiply
    38,098.75x = 57,151.88 × 13,135.51
  4. Step 4: Simplify right side
    38,098.75x = 750,718,985.54
  5. Step 5: Solve for x
    x = 750,718,985.54/38,098.75
  6. Step 6: Final answer
    x = 19,704.56

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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.