Home / 19,194.75-26,488.80-10,811.25

Finding the Fourth Proportional to 19,194.75, 26,488.80 and 10,811.25

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Solution

The fourth proportional to 19,194.75, 26,488.80 and 10,811.25 is: 14,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.75 : 26,488.80 = 10,811.25 : x
  2. Step 2: Convert to fraction form
    19,194.75/26,488.80 = 10,811.25/x
  3. Step 3: Cross multiply
    19,194.75x = 26,488.80 × 10,811.25
  4. Step 4: Simplify right side
    19,194.75x = 286,377,039
  5. Step 5: Solve for x
    x = 286,377,039/19,194.75
  6. Step 6: Final answer
    x = 14,919.55

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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.