Home / 27,371.38-37,773.74-15,434.68

Finding the Fourth Proportional to 27,371.38, 37,773.74 and 15,434.68

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Solution

The fourth proportional to 27,371.38, 37,773.74 and 15,434.68 is: 21,300.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,371.38 : 37,773.74 = 15,434.68 : x
  2. Step 2: Convert to fraction form
    27,371.38/37,773.74 = 15,434.68/x
  3. Step 3: Cross multiply
    27,371.38x = 37,773.74 × 15,434.68
  4. Step 4: Simplify right side
    27,371.38x = 583,025,589.30
  5. Step 5: Solve for x
    x = 583,025,589.30/27,371.38
  6. Step 6: Final answer
    x = 21,300.56

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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.