Home / 22,325.32-30,806.62-12,896.92

Finding the Fourth Proportional to 22,325.32, 30,806.62 and 12,896.92

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Solution

The fourth proportional to 22,325.32, 30,806.62 and 12,896.92 is: 17,796.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,325.32 : 30,806.62 = 12,896.92 : x
  2. Step 2: Convert to fraction form
    22,325.32/30,806.62 = 12,896.92/x
  3. Step 3: Cross multiply
    22,325.32x = 30,806.62 × 12,896.92
  4. Step 4: Simplify right side
    22,325.32x = 397,310,513.61
  5. Step 5: Solve for x
    x = 397,310,513.61/22,325.32
  6. Step 6: Final answer
    x = 17,796.41

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Double scale
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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.