Home / 13,972.36-20,961.48-4,110.82

Finding the Fourth Proportional to 13,972.36, 20,961.48 and 4,110.82

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Solution

The fourth proportional to 13,972.36, 20,961.48 and 4,110.82 is: 6,167.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.36 : 20,961.48 = 4,110.82 : x
  2. Step 2: Convert to fraction form
    13,972.36/20,961.48 = 4,110.82/x
  3. Step 3: Cross multiply
    13,972.36x = 20,961.48 × 4,110.82
  4. Step 4: Simplify right side
    13,972.36x = 86,168,871.21
  5. Step 5: Solve for x
    x = 86,168,871.21/13,972.36
  6. Step 6: Final answer
    x = 6,167.09

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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.