Home / 18,179.51-27,269.86-5,030.78

Finding the Fourth Proportional to 18,179.51, 27,269.86 and 5,030.78

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Solution

The fourth proportional to 18,179.51, 27,269.86 and 5,030.78 is: 7,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.51 : 27,269.86 = 5,030.78 : x
  2. Step 2: Convert to fraction form
    18,179.51/27,269.86 = 5,030.78/x
  3. Step 3: Cross multiply
    18,179.51x = 27,269.86 × 5,030.78
  4. Step 4: Simplify right side
    18,179.51x = 137,188,629.06
  5. Step 5: Solve for x
    x = 137,188,629.06/18,179.51
  6. Step 6: Final answer
    x = 7,546.33

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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.