Home / 19,196.85-26,490.94-10,811.73

Finding the Fourth Proportional to 19,196.85, 26,490.94 and 10,811.73

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Solution

The fourth proportional to 19,196.85, 26,490.94 and 10,811.73 is: 14,919.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196.85 : 26,490.94 = 10,811.73 : x
  2. Step 2: Convert to fraction form
    19,196.85/26,490.94 = 10,811.73/x
  3. Step 3: Cross multiply
    19,196.85x = 26,490.94 × 10,811.73
  4. Step 4: Simplify right side
    19,196.85x = 286,412,890.73
  5. Step 5: Solve for x
    x = 286,412,890.73/19,196.85
  6. Step 6: Final answer
    x = 14,919.79

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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.