Home / 16,405.25-22,584.51-15,652.04

Finding the Fourth Proportional to 16,405.25, 22,584.51 and 15,652.04

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Solution

The fourth proportional to 16,405.25, 22,584.51 and 15,652.04 is: 21,547.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405.25 : 22,584.51 = 15,652.04 : x
  2. Step 2: Convert to fraction form
    16,405.25/22,584.51 = 15,652.04/x
  3. Step 3: Cross multiply
    16,405.25x = 22,584.51 × 15,652.04
  4. Step 4: Simplify right side
    16,405.25x = 353,493,540.98
  5. Step 5: Solve for x
    x = 353,493,540.98/16,405.25
  6. Step 6: Final answer
    x = 21,547.59

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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.