Home / 27,473.91-37,911.97-15,372.79

Finding the Fourth Proportional to 27,473.91, 37,911.97 and 15,372.79

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Solution

The fourth proportional to 27,473.91, 37,911.97 and 15,372.79 is: 21,213.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,473.91 : 37,911.97 = 15,372.79 : x
  2. Step 2: Convert to fraction form
    27,473.91/37,911.97 = 15,372.79/x
  3. Step 3: Cross multiply
    27,473.91x = 37,911.97 × 15,372.79
  4. Step 4: Simplify right side
    27,473.91x = 582,812,753.30
  5. Step 5: Solve for x
    x = 582,812,753.30/27,473.91
  6. Step 6: Final answer
    x = 21,213.32

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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.