Home / 19,387.20-26,757.27-11,837.94

Finding the Fourth Proportional to 19,387.20, 26,757.27 and 11,837.94

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Solution

The fourth proportional to 19,387.20, 26,757.27 and 11,837.94 is: 16,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.20 : 26,757.27 = 11,837.94 : x
  2. Step 2: Convert to fraction form
    19,387.20/26,757.27 = 11,837.94/x
  3. Step 3: Cross multiply
    19,387.20x = 26,757.27 × 11,837.94
  4. Step 4: Simplify right side
    19,387.20x = 316,750,956.82
  5. Step 5: Solve for x
    x = 316,750,956.82/19,387.20
  6. Step 6: Final answer
    x = 16,338.15

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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.