Home / 55,625.40-83,447.20-18,174.60

Finding the Fourth Proportional to 55,625.40, 83,447.20 and 18,174.60

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Solution

The fourth proportional to 55,625.40, 83,447.20 and 18,174.60 is: 27,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.40 : 83,447.20 = 18,174.60 : x
  2. Step 2: Convert to fraction form
    55,625.40/83,447.20 = 18,174.60/x
  3. Step 3: Cross multiply
    55,625.40x = 83,447.20 × 18,174.60
  4. Step 4: Simplify right side
    55,625.40x = 1,516,619,481.12
  5. Step 5: Solve for x
    x = 1,516,619,481.12/55,625.40
  6. Step 6: Final answer
    x = 27,264.87

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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.