Home / 14,356.73-21,522.12-5,120.57

Finding the Fourth Proportional to 14,356.73, 21,522.12 and 5,120.57

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Solution

The fourth proportional to 14,356.73, 21,522.12 and 5,120.57 is: 7,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.73 : 21,522.12 = 5,120.57 : x
  2. Step 2: Convert to fraction form
    14,356.73/21,522.12 = 5,120.57/x
  3. Step 3: Cross multiply
    14,356.73x = 21,522.12 × 5,120.57
  4. Step 4: Simplify right side
    14,356.73x = 110,205,522.01
  5. Step 5: Solve for x
    x = 110,205,522.01/14,356.73
  6. Step 6: Final answer
    x = 7,676.23

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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.