Home / 19,966.39-27,553.82-11,014.21

Finding the Fourth Proportional to 19,966.39, 27,553.82 and 11,014.21

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Solution

The fourth proportional to 19,966.39, 27,553.82 and 11,014.21 is: 15,199.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.39 : 27,553.82 = 11,014.21 : x
  2. Step 2: Convert to fraction form
    19,966.39/27,553.82 = 11,014.21/x
  3. Step 3: Cross multiply
    19,966.39x = 27,553.82 × 11,014.21
  4. Step 4: Simplify right side
    19,966.39x = 303,483,559.78
  5. Step 5: Solve for x
    x = 303,483,559.78/19,966.39
  6. Step 6: Final answer
    x = 15,199.72

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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.