Home / 22,198.96-30,635.48-12,767.51

Finding the Fourth Proportional to 22,198.96, 30,635.48 and 12,767.51

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Solution

The fourth proportional to 22,198.96, 30,635.48 and 12,767.51 is: 17,619.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.96 : 30,635.48 = 12,767.51 : x
  2. Step 2: Convert to fraction form
    22,198.96/30,635.48 = 12,767.51/x
  3. Step 3: Cross multiply
    22,198.96x = 30,635.48 × 12,767.51
  4. Step 4: Simplify right side
    22,198.96x = 391,138,733.42
  5. Step 5: Solve for x
    x = 391,138,733.42/22,198.96
  6. Step 6: Final answer
    x = 17,619.69

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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.