Home / 65,519.28-98,293.50-18,772.56

Finding the Fourth Proportional to 65,519.28, 98,293.50 and 18,772.56

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Solution

The fourth proportional to 65,519.28, 98,293.50 and 18,772.56 is: 28,163.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,519.28 : 98,293.50 = 18,772.56 : x
  2. Step 2: Convert to fraction form
    65,519.28/98,293.50 = 18,772.56/x
  3. Step 3: Cross multiply
    65,519.28x = 98,293.50 × 18,772.56
  4. Step 4: Simplify right side
    65,519.28x = 1,845,220,626.36
  5. Step 5: Solve for x
    x = 1,845,220,626.36/65,519.28
  6. Step 6: Final answer
    x = 28,163.02

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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.