Home / 27,481.14-37,921.68-15,541.74

Finding the Fourth Proportional to 27,481.14, 37,921.68 and 15,541.74

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Solution

The fourth proportional to 27,481.14, 37,921.68 and 15,541.74 is: 21,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,481.14 : 37,921.68 = 15,541.74 : x
  2. Step 2: Convert to fraction form
    27,481.14/37,921.68 = 15,541.74/x
  3. Step 3: Cross multiply
    27,481.14x = 37,921.68 × 15,541.74
  4. Step 4: Simplify right side
    27,481.14x = 589,368,890.92
  5. Step 5: Solve for x
    x = 589,368,890.92/27,481.14
  6. Step 6: Final answer
    x = 21,446.30

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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.