Home / 18,190.95-27,289.14-6,503.25

Finding the Fourth Proportional to 18,190.95, 27,289.14 and 6,503.25

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Solution

The fourth proportional to 18,190.95, 27,289.14 and 6,503.25 is: 9,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.95 : 27,289.14 = 6,503.25 : x
  2. Step 2: Convert to fraction form
    18,190.95/27,289.14 = 6,503.25/x
  3. Step 3: Cross multiply
    18,190.95x = 27,289.14 × 6,503.25
  4. Step 4: Simplify right side
    18,190.95x = 177,468,099.71
  5. Step 5: Solve for x
    x = 177,468,099.71/18,190.95
  6. Step 6: Final answer
    x = 9,755.85

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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.