Home / 19,195-26,489.16-10,811.68

Finding the Fourth Proportional to 19,195, 26,489.16 and 10,811.68

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Solution

The fourth proportional to 19,195, 26,489.16 and 10,811.68 is: 14,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195 : 26,489.16 = 10,811.68 : x
  2. Step 2: Convert to fraction form
    19,195/26,489.16 = 10,811.68/x
  3. Step 3: Cross multiply
    19,195x = 26,489.16 × 10,811.68
  4. Step 4: Simplify right side
    19,195x = 286,392,321.39
  5. Step 5: Solve for x
    x = 286,392,321.39/19,195
  6. Step 6: Final answer
    x = 14,920.15

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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.