Home / 38,195.64-57,291.18-11,896.68

Finding the Fourth Proportional to 38,195.64, 57,291.18 and 11,896.68

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Solution

The fourth proportional to 38,195.64, 57,291.18 and 11,896.68 is: 17,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,195.64 : 57,291.18 = 11,896.68 : x
  2. Step 2: Convert to fraction form
    38,195.64/57,291.18 = 11,896.68/x
  3. Step 3: Cross multiply
    38,195.64x = 57,291.18 × 11,896.68
  4. Step 4: Simplify right side
    38,195.64x = 681,574,835.28
  5. Step 5: Solve for x
    x = 681,574,835.28/38,195.64
  6. Step 6: Final answer
    x = 17,844.31

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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.