Home / 19,646.39-29,469.89-10,936.66

Finding the Fourth Proportional to 19,646.39, 29,469.89 and 10,936.66

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Solution

The fourth proportional to 19,646.39, 29,469.89 and 10,936.66 is: 16,405.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646.39 : 29,469.89 = 10,936.66 : x
  2. Step 2: Convert to fraction form
    19,646.39/29,469.89 = 10,936.66/x
  3. Step 3: Cross multiply
    19,646.39x = 29,469.89 × 10,936.66
  4. Step 4: Simplify right side
    19,646.39x = 322,302,190.33
  5. Step 5: Solve for x
    x = 322,302,190.33/19,646.39
  6. Step 6: Final answer
    x = 16,405.16

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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.