Home / 19,965.33-27,553.70-11,013.62

Finding the Fourth Proportional to 19,965.33, 27,553.70 and 11,013.62

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Solution

The fourth proportional to 19,965.33, 27,553.70 and 11,013.62 is: 15,199.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.33 : 27,553.70 = 11,013.62 : x
  2. Step 2: Convert to fraction form
    19,965.33/27,553.70 = 11,013.62/x
  3. Step 3: Cross multiply
    19,965.33x = 27,553.70 × 11,013.62
  4. Step 4: Simplify right side
    19,965.33x = 303,465,871.16
  5. Step 5: Solve for x
    x = 303,465,871.16/19,965.33
  6. Step 6: Final answer
    x = 15,199.64

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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.