Home / 19,226.80-28,815.90-14,026.60

Finding the Fourth Proportional to 19,226.80, 28,815.90 and 14,026.60

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Solution

The fourth proportional to 19,226.80, 28,815.90 and 14,026.60 is: 21,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.80 : 28,815.90 = 14,026.60 : x
  2. Step 2: Convert to fraction form
    19,226.80/28,815.90 = 14,026.60/x
  3. Step 3: Cross multiply
    19,226.80x = 28,815.90 × 14,026.60
  4. Step 4: Simplify right side
    19,226.80x = 404,189,102.94
  5. Step 5: Solve for x
    x = 404,189,102.94/19,226.80
  6. Step 6: Final answer
    x = 21,022.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.