Home / 27,671.94-38,141.75-19,608.30

Finding the Fourth Proportional to 27,671.94, 38,141.75 and 19,608.30

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Solution

The fourth proportional to 27,671.94, 38,141.75 and 19,608.30 is: 27,027.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,671.94 : 38,141.75 = 19,608.30 : x
  2. Step 2: Convert to fraction form
    27,671.94/38,141.75 = 19,608.30/x
  3. Step 3: Cross multiply
    27,671.94x = 38,141.75 × 19,608.30
  4. Step 4: Simplify right side
    27,671.94x = 747,894,778.48
  5. Step 5: Solve for x
    x = 747,894,778.48/27,671.94
  6. Step 6: Final answer
    x = 27,027.19

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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.