Home / 27,276.13-37,592.13-20,190.25

Finding the Fourth Proportional to 27,276.13, 37,592.13 and 20,190.25

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Solution

The fourth proportional to 27,276.13, 37,592.13 and 20,190.25 is: 27,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.13 : 37,592.13 = 20,190.25 : x
  2. Step 2: Convert to fraction form
    27,276.13/37,592.13 = 20,190.25/x
  3. Step 3: Cross multiply
    27,276.13x = 37,592.13 × 20,190.25
  4. Step 4: Simplify right side
    27,276.13x = 758,994,502.73
  5. Step 5: Solve for x
    x = 758,994,502.73/27,276.13
  6. Step 6: Final answer
    x = 27,826.33

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Double scale
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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.