Home / 16,705.06-25,021.48-15,723.60

Finding the Fourth Proportional to 16,705.06, 25,021.48 and 15,723.60

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Solution

The fourth proportional to 16,705.06, 25,021.48 and 15,723.60 is: 23,551.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,705.06 : 25,021.48 = 15,723.60 : x
  2. Step 2: Convert to fraction form
    16,705.06/25,021.48 = 15,723.60/x
  3. Step 3: Cross multiply
    16,705.06x = 25,021.48 × 15,723.60
  4. Step 4: Simplify right side
    16,705.06x = 393,427,742.93
  5. Step 5: Solve for x
    x = 393,427,742.93/16,705.06
  6. Step 6: Final answer
    x = 23,551.41

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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.