Home / 22,226.25-30,671.82-13,275.75

Finding the Fourth Proportional to 22,226.25, 30,671.82 and 13,275.75

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Solution

The fourth proportional to 22,226.25, 30,671.82 and 13,275.75 is: 18,320.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.25 : 30,671.82 = 13,275.75 : x
  2. Step 2: Convert to fraction form
    22,226.25/30,671.82 = 13,275.75/x
  3. Step 3: Cross multiply
    22,226.25x = 30,671.82 × 13,275.75
  4. Step 4: Simplify right side
    22,226.25x = 407,191,414.37
  5. Step 5: Solve for x
    x = 407,191,414.37/22,226.25
  6. Step 6: Final answer
    x = 18,320.29

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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.