Home / 22,936.38-31,649.67-12,862.75

Finding the Fourth Proportional to 22,936.38, 31,649.67 and 12,862.75

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Solution

The fourth proportional to 22,936.38, 31,649.67 and 12,862.75 is: 17,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,936.38 : 31,649.67 = 12,862.75 : x
  2. Step 2: Convert to fraction form
    22,936.38/31,649.67 = 12,862.75/x
  3. Step 3: Cross multiply
    22,936.38x = 31,649.67 × 12,862.75
  4. Step 4: Simplify right side
    22,936.38x = 407,101,634.54
  5. Step 5: Solve for x
    x = 407,101,634.54/22,936.38
  6. Step 6: Final answer
    x = 17,749.17

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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.