Home / 18,799.76-25,936.81-11,246.31

Finding the Fourth Proportional to 18,799.76, 25,936.81 and 11,246.31

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Solution

The fourth proportional to 18,799.76, 25,936.81 and 11,246.31 is: 15,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799.76 : 25,936.81 = 11,246.31 : x
  2. Step 2: Convert to fraction form
    18,799.76/25,936.81 = 11,246.31/x
  3. Step 3: Cross multiply
    18,799.76x = 25,936.81 × 11,246.31
  4. Step 4: Simplify right side
    18,799.76x = 291,693,377.56
  5. Step 5: Solve for x
    x = 291,693,377.56/18,799.76
  6. Step 6: Final answer
    x = 15,515.80

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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.