Home / 22,233.38-30,678.29-13,736.88

Finding the Fourth Proportional to 22,233.38, 30,678.29 and 13,736.88

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Solution

The fourth proportional to 22,233.38, 30,678.29 and 13,736.88 is: 18,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,233.38 : 30,678.29 = 13,736.88 : x
  2. Step 2: Convert to fraction form
    22,233.38/30,678.29 = 13,736.88/x
  3. Step 3: Cross multiply
    22,233.38x = 30,678.29 × 13,736.88
  4. Step 4: Simplify right side
    22,233.38x = 421,423,919.65
  5. Step 5: Solve for x
    x = 421,423,919.65/22,233.38
  6. Step 6: Final answer
    x = 18,954.56

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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.