Home / 13,936.70-20,895.69-5,495.48

Finding the Fourth Proportional to 13,936.70, 20,895.69 and 5,495.48

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Solution

The fourth proportional to 13,936.70, 20,895.69 and 5,495.48 is: 8,239.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.70 : 20,895.69 = 5,495.48 : x
  2. Step 2: Convert to fraction form
    13,936.70/20,895.69 = 5,495.48/x
  3. Step 3: Cross multiply
    13,936.70x = 20,895.69 × 5,495.48
  4. Step 4: Simplify right side
    13,936.70x = 114,831,742.00
  5. Step 5: Solve for x
    x = 114,831,742.00/13,936.70
  6. Step 6: Final answer
    x = 8,239.52

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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.