Home / 13,738.14-20,600.28-9,787.14

Finding the Fourth Proportional to 13,738.14, 20,600.28 and 9,787.14

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Solution

The fourth proportional to 13,738.14, 20,600.28 and 9,787.14 is: 14,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.14 : 20,600.28 = 9,787.14 : x
  2. Step 2: Convert to fraction form
    13,738.14/20,600.28 = 9,787.14/x
  3. Step 3: Cross multiply
    13,738.14x = 20,600.28 × 9,787.14
  4. Step 4: Simplify right side
    13,738.14x = 201,617,824.40
  5. Step 5: Solve for x
    x = 201,617,824.40/13,738.14
  6. Step 6: Final answer
    x = 14,675.77

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1.5x scale

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.