Home / 19,958.42-27,542.21-11,006.16

Finding the Fourth Proportional to 19,958.42, 27,542.21 and 11,006.16

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Solution

The fourth proportional to 19,958.42, 27,542.21 and 11,006.16 is: 15,188.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.42 : 27,542.21 = 11,006.16 : x
  2. Step 2: Convert to fraction form
    19,958.42/27,542.21 = 11,006.16/x
  3. Step 3: Cross multiply
    19,958.42x = 27,542.21 × 11,006.16
  4. Step 4: Simplify right side
    19,958.42x = 303,133,914.98
  5. Step 5: Solve for x
    x = 303,133,914.98/19,958.42
  6. Step 6: Final answer
    x = 15,188.28

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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.