Home / 22,179.22-30,614.43-12,754.06

Finding the Fourth Proportional to 22,179.22, 30,614.43 and 12,754.06

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Solution

The fourth proportional to 22,179.22, 30,614.43 and 12,754.06 is: 17,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179.22 : 30,614.43 = 12,754.06 : x
  2. Step 2: Convert to fraction form
    22,179.22/30,614.43 = 12,754.06/x
  3. Step 3: Cross multiply
    22,179.22x = 30,614.43 × 12,754.06
  4. Step 4: Simplify right side
    22,179.22x = 390,458,277.09
  5. Step 5: Solve for x
    x = 390,458,277.09/22,179.22
  6. Step 6: Final answer
    x = 17,604.69

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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.