Home / 13,688.73-20,524.01-4,922.51

Finding the Fourth Proportional to 13,688.73, 20,524.01 and 4,922.51

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Solution

The fourth proportional to 13,688.73, 20,524.01 and 4,922.51 is: 7,380.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,688.73 : 20,524.01 = 4,922.51 : x
  2. Step 2: Convert to fraction form
    13,688.73/20,524.01 = 4,922.51/x
  3. Step 3: Cross multiply
    13,688.73x = 20,524.01 × 4,922.51
  4. Step 4: Simplify right side
    13,688.73x = 101,029,517.23
  5. Step 5: Solve for x
    x = 101,029,517.23/13,688.73
  6. Step 6: Final answer
    x = 7,380.49

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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.