Home / 19,397.08-26,738.94-15,198.04

Finding the Fourth Proportional to 19,397.08, 26,738.94 and 15,198.04

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Solution

The fourth proportional to 19,397.08, 26,738.94 and 15,198.04 is: 20,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.08 : 26,738.94 = 15,198.04 : x
  2. Step 2: Convert to fraction form
    19,397.08/26,738.94 = 15,198.04/x
  3. Step 3: Cross multiply
    19,397.08x = 26,738.94 × 15,198.04
  4. Step 4: Simplify right side
    19,397.08x = 406,379,479.68
  5. Step 5: Solve for x
    x = 406,379,479.68/19,397.08
  6. Step 6: Final answer
    x = 20,950.55

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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.