Home / 21,232.59-29,301.33-11,801.17

Finding the Fourth Proportional to 21,232.59, 29,301.33 and 11,801.17

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Solution

The fourth proportional to 21,232.59, 29,301.33 and 11,801.17 is: 16,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.59 : 29,301.33 = 11,801.17 : x
  2. Step 2: Convert to fraction form
    21,232.59/29,301.33 = 11,801.17/x
  3. Step 3: Cross multiply
    21,232.59x = 29,301.33 × 11,801.17
  4. Step 4: Simplify right side
    21,232.59x = 345,789,976.56
  5. Step 5: Solve for x
    x = 345,789,976.56/21,232.59
  6. Step 6: Final answer
    x = 16,285.81

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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.