Home / 20,087.84-27,722.04-11,592.56

Finding the Fourth Proportional to 20,087.84, 27,722.04 and 11,592.56

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Solution

The fourth proportional to 20,087.84, 27,722.04 and 11,592.56 is: 15,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087.84 : 27,722.04 = 11,592.56 : x
  2. Step 2: Convert to fraction form
    20,087.84/27,722.04 = 11,592.56/x
  3. Step 3: Cross multiply
    20,087.84x = 27,722.04 × 11,592.56
  4. Step 4: Simplify right side
    20,087.84x = 321,369,412.02
  5. Step 5: Solve for x
    x = 321,369,412.02/20,087.84
  6. Step 6: Final answer
    x = 15,998.21

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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.