Home / 38,155.11-57,235.23-13,197.57

Finding the Fourth Proportional to 38,155.11, 57,235.23 and 13,197.57

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Solution

The fourth proportional to 38,155.11, 57,235.23 and 13,197.57 is: 19,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,155.11 : 57,235.23 = 13,197.57 : x
  2. Step 2: Convert to fraction form
    38,155.11/57,235.23 = 13,197.57/x
  3. Step 3: Cross multiply
    38,155.11x = 57,235.23 × 13,197.57
  4. Step 4: Simplify right side
    38,155.11x = 755,365,954.39
  5. Step 5: Solve for x
    x = 755,365,954.39/38,155.11
  6. Step 6: Final answer
    x = 19,797.24

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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.