Home / 18,460.89-27,705.91-6,777.45

Finding the Fourth Proportional to 18,460.89, 27,705.91 and 6,777.45

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Solution

The fourth proportional to 18,460.89, 27,705.91 and 6,777.45 is: 10,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.89 : 27,705.91 = 6,777.45 : x
  2. Step 2: Convert to fraction form
    18,460.89/27,705.91 = 6,777.45/x
  3. Step 3: Cross multiply
    18,460.89x = 27,705.91 × 6,777.45
  4. Step 4: Simplify right side
    18,460.89x = 187,775,419.73
  5. Step 5: Solve for x
    x = 187,775,419.73/18,460.89
  6. Step 6: Final answer
    x = 10,171.53

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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.