Home / 13,787.29-20,680.94-5,022.28

Finding the Fourth Proportional to 13,787.29, 20,680.94 and 5,022.28

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Solution

The fourth proportional to 13,787.29, 20,680.94 and 5,022.28 is: 7,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787.29 : 20,680.94 = 5,022.28 : x
  2. Step 2: Convert to fraction form
    13,787.29/20,680.94 = 5,022.28/x
  3. Step 3: Cross multiply
    13,787.29x = 20,680.94 × 5,022.28
  4. Step 4: Simplify right side
    13,787.29x = 103,865,471.34
  5. Step 5: Solve for x
    x = 103,865,471.34/13,787.29
  6. Step 6: Final answer
    x = 7,533.42

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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.