Home / 65,634.27-98,451.41-18,887.15

Finding the Fourth Proportional to 65,634.27, 98,451.41 and 18,887.15

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Solution

The fourth proportional to 65,634.27, 98,451.41 and 18,887.15 is: 28,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,634.27 : 98,451.41 = 18,887.15 : x
  2. Step 2: Convert to fraction form
    65,634.27/98,451.41 = 18,887.15/x
  3. Step 3: Cross multiply
    65,634.27x = 98,451.41 × 18,887.15
  4. Step 4: Simplify right side
    65,634.27x = 1,859,465,961.69
  5. Step 5: Solve for x
    x = 1,859,465,961.69/65,634.27
  6. Step 6: Final answer
    x = 28,330.72

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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.