Home / 18,838.86-25,932.38-16,285.44

Finding the Fourth Proportional to 18,838.86, 25,932.38 and 16,285.44

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Solution

The fourth proportional to 18,838.86, 25,932.38 and 16,285.44 is: 22,417.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.86 : 25,932.38 = 16,285.44 : x
  2. Step 2: Convert to fraction form
    18,838.86/25,932.38 = 16,285.44/x
  3. Step 3: Cross multiply
    18,838.86x = 25,932.38 × 16,285.44
  4. Step 4: Simplify right side
    18,838.86x = 422,320,218.55
  5. Step 5: Solve for x
    x = 422,320,218.55/18,838.86
  6. Step 6: Final answer
    x = 22,417.50

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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.