Home / 18,416.83-27,625.06-7,877.92

Finding the Fourth Proportional to 18,416.83, 27,625.06 and 7,877.92

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Solution

The fourth proportional to 18,416.83, 27,625.06 and 7,877.92 is: 11,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.83 : 27,625.06 = 7,877.92 : x
  2. Step 2: Convert to fraction form
    18,416.83/27,625.06 = 7,877.92/x
  3. Step 3: Cross multiply
    18,416.83x = 27,625.06 × 7,877.92
  4. Step 4: Simplify right side
    18,416.83x = 217,628,012.68
  5. Step 5: Solve for x
    x = 217,628,012.68/18,416.83
  6. Step 6: Final answer
    x = 11,816.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.