Home / 18,617.88-25,692.66-10,659.72

Finding the Fourth Proportional to 18,617.88, 25,692.66 and 10,659.72

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Solution

The fourth proportional to 18,617.88, 25,692.66 and 10,659.72 is: 14,710.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617.88 : 25,692.66 = 10,659.72 : x
  2. Step 2: Convert to fraction form
    18,617.88/25,692.66 = 10,659.72/x
  3. Step 3: Cross multiply
    18,617.88x = 25,692.66 × 10,659.72
  4. Step 4: Simplify right side
    18,617.88x = 273,876,561.66
  5. Step 5: Solve for x
    x = 273,876,561.66/18,617.88
  6. Step 6: Final answer
    x = 14,710.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.