Home / 38,140.13-57,196.16-13,173.77

Finding the Fourth Proportional to 38,140.13, 57,196.16 and 13,173.77

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Solution

The fourth proportional to 38,140.13, 57,196.16 and 13,173.77 is: 19,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,140.13 : 57,196.16 = 13,173.77 : x
  2. Step 2: Convert to fraction form
    38,140.13/57,196.16 = 13,173.77/x
  3. Step 3: Cross multiply
    38,140.13x = 57,196.16 × 13,173.77
  4. Step 4: Simplify right side
    38,140.13x = 753,488,990.85
  5. Step 5: Solve for x
    x = 753,488,990.85/38,140.13
  6. Step 6: Final answer
    x = 19,755.81

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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.