Home / 18,480.88-27,717.98-5,330.02

Finding the Fourth Proportional to 18,480.88, 27,717.98 and 5,330.02

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Solution

The fourth proportional to 18,480.88, 27,717.98 and 5,330.02 is: 7,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480.88 : 27,717.98 = 5,330.02 : x
  2. Step 2: Convert to fraction form
    18,480.88/27,717.98 = 5,330.02/x
  3. Step 3: Cross multiply
    18,480.88x = 27,717.98 × 5,330.02
  4. Step 4: Simplify right side
    18,480.88x = 147,737,387.76
  5. Step 5: Solve for x
    x = 147,737,387.76/18,480.88
  6. Step 6: Final answer
    x = 7,994.07

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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.