Home / 21,693.04-29,936.44-11,757.04

Finding the Fourth Proportional to 21,693.04, 29,936.44 and 11,757.04

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Solution

The fourth proportional to 21,693.04, 29,936.44 and 11,757.04 is: 16,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693.04 : 29,936.44 = 11,757.04 : x
  2. Step 2: Convert to fraction form
    21,693.04/29,936.44 = 11,757.04/x
  3. Step 3: Cross multiply
    21,693.04x = 29,936.44 × 11,757.04
  4. Step 4: Simplify right side
    21,693.04x = 351,963,922.54
  5. Step 5: Solve for x
    x = 351,963,922.54/21,693.04
  6. Step 6: Final answer
    x = 16,224.74

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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.