Home / 22,480.54-31,027.46-13,408.13

Finding the Fourth Proportional to 22,480.54, 31,027.46 and 13,408.13

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Solution

The fourth proportional to 22,480.54, 31,027.46 and 13,408.13 is: 18,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,480.54 : 31,027.46 = 13,408.13 : x
  2. Step 2: Convert to fraction form
    22,480.54/31,027.46 = 13,408.13/x
  3. Step 3: Cross multiply
    22,480.54x = 31,027.46 × 13,408.13
  4. Step 4: Simplify right side
    22,480.54x = 416,020,227.78
  5. Step 5: Solve for x
    x = 416,020,227.78/22,480.54
  6. Step 6: Final answer
    x = 18,505.80

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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.