Home / 18,682.52-25,781.40-10,184.86

Finding the Fourth Proportional to 18,682.52, 25,781.40 and 10,184.86

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Solution

The fourth proportional to 18,682.52, 25,781.40 and 10,184.86 is: 14,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.52 : 25,781.40 = 10,184.86 : x
  2. Step 2: Convert to fraction form
    18,682.52/25,781.40 = 10,184.86/x
  3. Step 3: Cross multiply
    18,682.52x = 25,781.40 × 10,184.86
  4. Step 4: Simplify right side
    18,682.52x = 262,579,949.60
  5. Step 5: Solve for x
    x = 262,579,949.60/18,682.52
  6. Step 6: Final answer
    x = 14,054.85

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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.