Home / 19,168.11-26,453.79-11,209.86

Finding the Fourth Proportional to 19,168.11, 26,453.79 and 11,209.86

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Solution

The fourth proportional to 19,168.11, 26,453.79 and 11,209.86 is: 15,470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.11 : 26,453.79 = 11,209.86 : x
  2. Step 2: Convert to fraction form
    19,168.11/26,453.79 = 11,209.86/x
  3. Step 3: Cross multiply
    19,168.11x = 26,453.79 × 11,209.86
  4. Step 4: Simplify right side
    19,168.11x = 296,543,282.37
  5. Step 5: Solve for x
    x = 296,543,282.37/19,168.11
  6. Step 6: Final answer
    x = 15,470.66

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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.