Home / 65,777.21-98,659.67-18,396.54

Finding the Fourth Proportional to 65,777.21, 98,659.67 and 18,396.54

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Solution

The fourth proportional to 65,777.21, 98,659.67 and 18,396.54 is: 27,593.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,777.21 : 98,659.67 = 18,396.54 : x
  2. Step 2: Convert to fraction form
    65,777.21/98,659.67 = 18,396.54/x
  3. Step 3: Cross multiply
    65,777.21x = 98,659.67 × 18,396.54
  4. Step 4: Simplify right side
    65,777.21x = 1,814,996,854.52
  5. Step 5: Solve for x
    x = 1,814,996,854.52/65,777.21
  6. Step 6: Final answer
    x = 27,593.09

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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.