Home / 19,966.43-27,553.67-11,013.93

Finding the Fourth Proportional to 19,966.43, 27,553.67 and 11,013.93

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Solution

The fourth proportional to 19,966.43, 27,553.67 and 11,013.93 is: 15,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.43 : 27,553.67 = 11,013.93 : x
  2. Step 2: Convert to fraction form
    19,966.43/27,553.67 = 11,013.93/x
  3. Step 3: Cross multiply
    19,966.43x = 27,553.67 × 11,013.93
  4. Step 4: Simplify right side
    19,966.43x = 303,474,220.16
  5. Step 5: Solve for x
    x = 303,474,220.16/19,966.43
  6. Step 6: Final answer
    x = 15,199.23

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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.