Home / 16,867.85-25,165.38-15,186.44

Finding the Fourth Proportional to 16,867.85, 25,165.38 and 15,186.44

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Solution

The fourth proportional to 16,867.85, 25,165.38 and 15,186.44 is: 22,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,867.85 : 25,165.38 = 15,186.44 : x
  2. Step 2: Convert to fraction form
    16,867.85/25,165.38 = 15,186.44/x
  3. Step 3: Cross multiply
    16,867.85x = 25,165.38 × 15,186.44
  4. Step 4: Simplify right side
    16,867.85x = 382,172,511.75
  5. Step 5: Solve for x
    x = 382,172,511.75/16,867.85
  6. Step 6: Final answer
    x = 22,656.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.