Home / 13,936.88-19,232.70-8,633

Finding the Fourth Proportional to 13,936.88, 19,232.70 and 8,633

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Solution

The fourth proportional to 13,936.88, 19,232.70 and 8,633 is: 11,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.88 : 19,232.70 = 8,633 : x
  2. Step 2: Convert to fraction form
    13,936.88/19,232.70 = 8,633/x
  3. Step 3: Cross multiply
    13,936.88x = 19,232.70 × 8,633
  4. Step 4: Simplify right side
    13,936.88x = 166,035,899.10
  5. Step 5: Solve for x
    x = 166,035,899.10/13,936.88
  6. Step 6: Final answer
    x = 11,913.42

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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.