Home / 13,936.80-19,232.84-7,563.39

Finding the Fourth Proportional to 13,936.80, 19,232.84 and 7,563.39

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Solution

The fourth proportional to 13,936.80, 19,232.84 and 7,563.39 is: 10,437.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.80 : 19,232.84 = 7,563.39 : x
  2. Step 2: Convert to fraction form
    13,936.80/19,232.84 = 7,563.39/x
  3. Step 3: Cross multiply
    13,936.80x = 19,232.84 × 7,563.39
  4. Step 4: Simplify right side
    13,936.80x = 145,465,546.58
  5. Step 5: Solve for x
    x = 145,465,546.58/13,936.80
  6. Step 6: Final answer
    x = 10,437.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.