Home / 19,446.56-26,836.79-11,892.75

Finding the Fourth Proportional to 19,446.56, 26,836.79 and 11,892.75

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Solution

The fourth proportional to 19,446.56, 26,836.79 and 11,892.75 is: 16,412.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,446.56 : 26,836.79 = 11,892.75 : x
  2. Step 2: Convert to fraction form
    19,446.56/26,836.79 = 11,892.75/x
  3. Step 3: Cross multiply
    19,446.56x = 26,836.79 × 11,892.75
  4. Step 4: Simplify right side
    19,446.56x = 319,163,174.74
  5. Step 5: Solve for x
    x = 319,163,174.74/19,446.56
  6. Step 6: Final answer
    x = 16,412.32

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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.