Home / 18,518.33-27,780.39-6,035.46

Finding the Fourth Proportional to 18,518.33, 27,780.39 and 6,035.46

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Solution

The fourth proportional to 18,518.33, 27,780.39 and 6,035.46 is: 9,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,518.33 : 27,780.39 = 6,035.46 : x
  2. Step 2: Convert to fraction form
    18,518.33/27,780.39 = 6,035.46/x
  3. Step 3: Cross multiply
    18,518.33x = 27,780.39 × 6,035.46
  4. Step 4: Simplify right side
    18,518.33x = 167,667,440.95
  5. Step 5: Solve for x
    x = 167,667,440.95/18,518.33
  6. Step 6: Final answer
    x = 9,054.13

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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.