Home / 13,849.05-19,120.83-8,551.65

Finding the Fourth Proportional to 13,849.05, 19,120.83 and 8,551.65

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Solution

The fourth proportional to 13,849.05, 19,120.83 and 8,551.65 is: 11,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.05 : 19,120.83 = 8,551.65 : x
  2. Step 2: Convert to fraction form
    13,849.05/19,120.83 = 8,551.65/x
  3. Step 3: Cross multiply
    13,849.05x = 19,120.83 × 8,551.65
  4. Step 4: Simplify right side
    13,849.05x = 163,514,645.87
  5. Step 5: Solve for x
    x = 163,514,645.87/13,849.05
  6. Step 6: Final answer
    x = 11,806.92

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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.