Home / 19,249.76-26,568.88-12,185.60

Finding the Fourth Proportional to 19,249.76, 26,568.88 and 12,185.60

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Solution

The fourth proportional to 19,249.76, 26,568.88 and 12,185.60 is: 16,818.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249.76 : 26,568.88 = 12,185.60 : x
  2. Step 2: Convert to fraction form
    19,249.76/26,568.88 = 12,185.60/x
  3. Step 3: Cross multiply
    19,249.76x = 26,568.88 × 12,185.60
  4. Step 4: Simplify right side
    19,249.76x = 323,757,744.13
  5. Step 5: Solve for x
    x = 323,757,744.13/19,249.76
  6. Step 6: Final answer
    x = 16,818.79

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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.