Home / 19,836.70-27,372.88-11,337.14

Finding the Fourth Proportional to 19,836.70, 27,372.88 and 11,337.14

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Solution

The fourth proportional to 19,836.70, 27,372.88 and 11,337.14 is: 15,644.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.70 : 27,372.88 = 11,337.14 : x
  2. Step 2: Convert to fraction form
    19,836.70/27,372.88 = 11,337.14/x
  3. Step 3: Cross multiply
    19,836.70x = 27,372.88 × 11,337.14
  4. Step 4: Simplify right side
    19,836.70x = 310,330,007.56
  5. Step 5: Solve for x
    x = 310,330,007.56/19,836.70
  6. Step 6: Final answer
    x = 15,644.24

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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.