Home / 16,896.32-25,320-11,625.92

Finding the Fourth Proportional to 16,896.32, 25,320 and 11,625.92

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Solution

The fourth proportional to 16,896.32, 25,320 and 11,625.92 is: 17,422.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,896.32 : 25,320 = 11,625.92 : x
  2. Step 2: Convert to fraction form
    16,896.32/25,320 = 11,625.92/x
  3. Step 3: Cross multiply
    16,896.32x = 25,320 × 11,625.92
  4. Step 4: Simplify right side
    16,896.32x = 294,368,294.40
  5. Step 5: Solve for x
    x = 294,368,294.40/16,896.32
  6. Step 6: Final answer
    x = 17,422.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.