Home / 19,836.69-27,377.15-11,453.19

Finding the Fourth Proportional to 19,836.69, 27,377.15 and 11,453.19

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Solution

The fourth proportional to 19,836.69, 27,377.15 and 11,453.19 is: 15,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.69 : 27,377.15 = 11,453.19 : x
  2. Step 2: Convert to fraction form
    19,836.69/27,377.15 = 11,453.19/x
  3. Step 3: Cross multiply
    19,836.69x = 27,377.15 × 11,453.19
  4. Step 4: Simplify right side
    19,836.69x = 313,555,700.61
  5. Step 5: Solve for x
    x = 313,555,700.61/19,836.69
  6. Step 6: Final answer
    x = 15,806.86

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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.