Home / 38,115.60-57,175.56-11,824.08

Finding the Fourth Proportional to 38,115.60, 57,175.56 and 11,824.08

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Solution

The fourth proportional to 38,115.60, 57,175.56 and 11,824.08 is: 17,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,115.60 : 57,175.56 = 11,824.08 : x
  2. Step 2: Convert to fraction form
    38,115.60/57,175.56 = 11,824.08/x
  3. Step 3: Cross multiply
    38,115.60x = 57,175.56 × 11,824.08
  4. Step 4: Simplify right side
    38,115.60x = 676,048,395.48
  5. Step 5: Solve for x
    x = 676,048,395.48/38,115.60
  6. Step 6: Final answer
    x = 17,736.79

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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.