Home / 15,765.20-23,578.10-14,022.44

Finding the Fourth Proportional to 15,765.20, 23,578.10 and 14,022.44

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Solution

The fourth proportional to 15,765.20, 23,578.10 and 14,022.44 is: 20,971.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.20 : 23,578.10 = 14,022.44 : x
  2. Step 2: Convert to fraction form
    15,765.20/23,578.10 = 14,022.44/x
  3. Step 3: Cross multiply
    15,765.20x = 23,578.10 × 14,022.44
  4. Step 4: Simplify right side
    15,765.20x = 330,622,492.56
  5. Step 5: Solve for x
    x = 330,622,492.56/15,765.20
  6. Step 6: Final answer
    x = 20,971.66

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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.