Home / 27,121.19-37,427.31-15,184.71

Finding the Fourth Proportional to 27,121.19, 37,427.31 and 15,184.71

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Solution

The fourth proportional to 27,121.19, 37,427.31 and 15,184.71 is: 20,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,121.19 : 37,427.31 = 15,184.71 : x
  2. Step 2: Convert to fraction form
    27,121.19/37,427.31 = 15,184.71/x
  3. Step 3: Cross multiply
    27,121.19x = 37,427.31 × 15,184.71
  4. Step 4: Simplify right side
    27,121.19x = 568,322,848.43
  5. Step 5: Solve for x
    x = 568,322,848.43/27,121.19
  6. Step 6: Final answer
    x = 20,954.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.