Home / 21,226.48-29,292.46-11,667

Finding the Fourth Proportional to 21,226.48, 29,292.46 and 11,667

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Solution

The fourth proportional to 21,226.48, 29,292.46 and 11,667 is: 16,100.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,226.48 : 29,292.46 = 11,667 : x
  2. Step 2: Convert to fraction form
    21,226.48/29,292.46 = 11,667/x
  3. Step 3: Cross multiply
    21,226.48x = 29,292.46 × 11,667
  4. Step 4: Simplify right side
    21,226.48x = 341,755,130.82
  5. Step 5: Solve for x
    x = 341,755,130.82/21,226.48
  6. Step 6: Final answer
    x = 16,100.41

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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.