Home / 22,961.26-31,678.39-15,008.07

Finding the Fourth Proportional to 22,961.26, 31,678.39 and 15,008.07

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Solution

The fourth proportional to 22,961.26, 31,678.39 and 15,008.07 is: 20,705.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,961.26 : 31,678.39 = 15,008.07 : x
  2. Step 2: Convert to fraction form
    22,961.26/31,678.39 = 15,008.07/x
  3. Step 3: Cross multiply
    22,961.26x = 31,678.39 × 15,008.07
  4. Step 4: Simplify right side
    22,961.26x = 475,431,494.61
  5. Step 5: Solve for x
    x = 475,431,494.61/22,961.26
  6. Step 6: Final answer
    x = 20,705.81

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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.