Home / 16,822.40-25,235.16-5,725.36

Finding the Fourth Proportional to 16,822.40, 25,235.16 and 5,725.36

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Solution

The fourth proportional to 16,822.40, 25,235.16 and 5,725.36 is: 8,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,822.40 : 25,235.16 = 5,725.36 : x
  2. Step 2: Convert to fraction form
    16,822.40/25,235.16 = 5,725.36/x
  3. Step 3: Cross multiply
    16,822.40x = 25,235.16 × 5,725.36
  4. Step 4: Simplify right side
    16,822.40x = 144,480,375.66
  5. Step 5: Solve for x
    x = 144,480,375.66/16,822.40
  6. Step 6: Final answer
    x = 8,588.57

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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.