Home / 27,648.92-38,160.24-19,163.36

Finding the Fourth Proportional to 27,648.92, 38,160.24 and 19,163.36

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Solution

The fourth proportional to 27,648.92, 38,160.24 and 19,163.36 is: 26,448.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,648.92 : 38,160.24 = 19,163.36 : x
  2. Step 2: Convert to fraction form
    27,648.92/38,160.24 = 19,163.36/x
  3. Step 3: Cross multiply
    27,648.92x = 38,160.24 × 19,163.36
  4. Step 4: Simplify right side
    27,648.92x = 731,278,416.81
  5. Step 5: Solve for x
    x = 731,278,416.81/27,648.92
  6. Step 6: Final answer
    x = 26,448.72

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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.